*** CHEMICAL IDENTIFICATION *** RTECS NUMBER : XO1590000 CHEMICAL NAME : 9H-Thioxanthen-9-one, 1-((2-(diethylamino)ethyl)amino)-4-(hydroxymethyl)- CAS REGISTRY NUMBER : 3105-97-3 BEILSTEIN REFERENCE NO. : 1402722 REFERENCE : 5-18-12-00070 (Beilstein Handbook Reference) LAST UPDATED : 199612 DATA ITEMS CITED : 67 MOLECULAR FORMULA : C20-H24-N2-O2-S MOLECULAR WEIGHT : 356.52 WISWESSER LINE NOTATION : T C666 BS IVJ D1Q GM2N2&2 COMPOUND DESCRIPTOR : Tumorigen Drug Mutagen Reproductive Effector SYNONYMS/TRADE NAMES : * 1-((2-(Diethylamino)ethyl)amino)-4-(hydroxymethyl)thioxanthen-9-one * 1-((2-(Diethylamino)ethyl)amino)-4-(hydroxymethyl)-9H-thioxanthen-9-one * Hycanthon * Hycanthone * Lucanthone metabolite * NSC-134434 * WIN 24933 *** HEALTH HAZARD DATA *** ** ACUTE TOXICITY DATA ** TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 980 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 286 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 75 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 1120 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 270 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intravenous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 70 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 253 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 200,1,1977 ** TUMORIGENIC DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Intramuscular SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 180 mg/kg/60D-I TOXIC EFFECTS : Tumorigenic - Carcinogenic by RTECS criteria Liver - other changes Liver - tumors REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 197,703,1976 ** REPRODUCTIVE DATA ** TYPE OF TEST : TDLo - Lowest published toxic dose ROUTE OF EXPOSURE : Parenteral SPECIES OBSERVED : Rodent - mouse DOSE : 50 mg/kg SEX/DURATION : female 10 day(s) after conception TOXIC EFFECTS : Reproductive - Specific Developmental Abnormalities - other developmental abnormalities REFERENCE : EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 24,113,1978 ** MUTATION DATA ** TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 30 ug/plate REFERENCE : JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 33,29,1991 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Salmonella typhimurium DOSE/DURATION : 25 nmol/plate REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 200,1,1977 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Bacteria - Escherichia coli DOSE/DURATION : 40 ug/L/5D REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : DNA repair TEST SYSTEM : Bacteria - Bacillus subtilis DOSE/DURATION : 200 ug/disc REFERENCE : AEMIDF Applied and Environmental Microbiology. (American Soc. for Microbiology, 1913 I St., NW, Washington, DC 20006) V.31- 1976- Volume(issue)/page/year: 43,177,1982 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Microorganism - not otherwise specified DOSE/DURATION : 1 gm/L/4H (Continuous) REFERENCE : JGMIAN Journal of General Microbiology. (Soc. for General Microbiology, Journal Sales, 62 London Rd., Reading, RG1 5AS, UK) V.1- 1947- Volume(issue)/page/year: 121,349,1980 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Microorganism - not otherwise specified DOSE/DURATION : 2700 umol/L REFERENCE : GENTAE Genetics. (Genetics Business Office, POB 64025, Baltimore, MD 21264) V.1- 1916- Volume(issue)/page/year: 71(Suppl),39,1972 TYPE OF TEST : DNA damage TEST SYSTEM : Microorganism - not otherwise specified DOSE/DURATION : 220 umol/L REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 186,385,1973 TYPE OF TEST : Sex chromosome loss and nondisjunction ROUTE OF EXPOSURE : Parenteral TEST SYSTEM : Insect - Drosophila melanogaster DOSE/DURATION : 50 mg/kg REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : Sex chromosome loss and nondisjunction ROUTE OF EXPOSURE : Unreported TEST SYSTEM : Insect - Drosophila melanogaster DOSE/DURATION : 3 mg/kg REFERENCE : PACHAS Pure and Applied Chemistry. (Pergamon Press Ltd., Headington Hill Hall, Oxford OX3 0BW, UK) V.1- 1960- Volume(issue)/page/year: 42,209,1975 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Mold - Neurospora crassa DOSE/DURATION : 3 gm/L/2H REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Yeast - Saccharomyces cerevisiae DOSE/DURATION : 270 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 21,52,1973 TYPE OF TEST : Gene conversion and mitotic recombination TEST SYSTEM : Yeast - Saccharomyces cerevisiae DOSE/DURATION : 270 umol/L REFERENCE : PACHAS Pure and Applied Chemistry. (Pergamon Press Ltd., Headington Hill Hall, Oxford OX3 0BW, UK) V.1- 1960- Volume(issue)/page/year: 42,209,1975 TYPE OF TEST : Sex chromosome loss and nondisjunction TEST SYSTEM : Yeast - Saccharomyces cerevisiae DOSE/DURATION : 20 umol/L REFERENCE : ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 7,121,1985 TYPE OF TEST : Mutation in microorganisms TEST SYSTEM : Mold - Aspergillus nidulans DOSE/DURATION : 250 mg/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 97,293,1982 TYPE OF TEST : DNA inhibition TEST SYSTEM : Human HeLa cell DOSE/DURATION : 1 mmol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 93,447,1982 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Human Leukocyte DOSE/DURATION : 2500 ug/L/72H REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Human Lymphocyte DOSE/DURATION : 20 mg/L/48H REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Human Cells - not otherwise specified DOSE/DURATION : 5 gm/L REFERENCE : CHIMAD Chimia. (Postfach 2027, CH-4001 Basel, Switzerland) V.1- 1947- Volume(issue)/page/year: 29,8,1975 TYPE OF TEST : Morphological transformation TEST SYSTEM : Rodent - rat Embryo DOSE/DURATION : 100 ug/L REFERENCE : JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 1,323,1975 TYPE OF TEST : DNA inhibition ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - rat DOSE/DURATION : 50 mg/kg REFERENCE : IJCNAW International Journal of Cancer. (International Union Against Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland) V.1- 1966- Volume(issue)/page/year: 9,484,1972 TYPE OF TEST : Mutation test systems - not otherwise specified ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - rat DOSE/DURATION : 50 mg/kg REFERENCE : IJCNAW International Journal of Cancer. (International Union Against Cancer, 3 rue du Conseil- General, 1205 Geneva, Switzerland) V.1- 1966- Volume(issue)/page/year: 9,484,1972 TYPE OF TEST : Cytogenetic analysis ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - rat DOSE/DURATION : 80 mg/kg REFERENCE : PACHAS Pure and Applied Chemistry. (Pergamon Press Ltd., Headington Hill Hall, Oxford OX3 0BW, UK) V.1- 1960- Volume(issue)/page/year: 42,209,1975 TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Rodent - rat Liver DOSE/DURATION : 100 ug/L REFERENCE : CBTOE2 Cell Biology and Toxicology. (Princeton Scientific Pub., Inc., 301 N. Harrison St., CN 5279, Princeton, NJ 08540) V.1- 1984- Volume(issue)/page/year: 2,379,1986 TYPE OF TEST : Host-mediated assay TEST SYSTEM : Rodent - rat Yeast - Saccharomyces cerevisiae DOSE/DURATION : 1783 mg/kg REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 31,381,1975 TYPE OF TEST : Micronucleus test ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - mouse DOSE/DURATION : 80 mg/kg/2D REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : Micronucleus test ROUTE OF EXPOSURE : Parenteral TEST SYSTEM : Rodent - mouse DOSE/DURATION : 80 mg/kg/2D REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 53,164,1978 TYPE OF TEST : Specific locus test ROUTE OF EXPOSURE : Parenteral TEST SYSTEM : Rodent - mouse DOSE/DURATION : 30 mg/kg REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 38,75,1977 TYPE OF TEST : Specific locus test ROUTE OF EXPOSURE : Unreported TEST SYSTEM : Rodent - mouse DOSE/DURATION : 50 mg/kg REFERENCE : GENTAE Genetics. (Genetics Business Office, POB 64025, Baltimore, MD 21264) V.1- 1916- Volume(issue)/page/year: 92,S153,1979 TYPE OF TEST : Morphological transformation TEST SYSTEM : Rodent - mouse Embryo DOSE/DURATION : 1 mg/L REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 37,2202,1977 TYPE OF TEST : DNA damage TEST SYSTEM : Rodent - mouse Lymphocyte DOSE/DURATION : 10 umol/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 203,155,1988 TYPE OF TEST : DNA inhibition TEST SYSTEM : Rodent - mouse Ascites tumor DOSE/DURATION : 20 umol/L REFERENCE : BBACAQ Biochimica et Biophysica Acta. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1947- Volume(issue)/page/year: 378,260,1975 TYPE OF TEST : Body fluid assay TEST SYSTEM : Rodent - mouse Bacteria - Salmonella typhimurium DOSE/DURATION : 60 mg/kg REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 38,4478,1978 TYPE OF TEST : Cytogenetic analysis ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - mouse DOSE/DURATION : 40 mg/kg REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 TYPE OF TEST : Mutation in mammalian somatic cells TEST SYSTEM : Rodent - mouse Lymphocyte DOSE/DURATION : 1 mg/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 125,291,1984 TYPE OF TEST : Host-mediated assay TEST SYSTEM : Rodent - mouse Bacteria - Salmonella typhimurium DOSE/DURATION : 20 mg/kg REFERENCE : JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 200,1,1977 TYPE OF TEST : Host-mediated assay TEST SYSTEM : Rodent - mouse Leukocyte DOSE/DURATION : 100 mg/kg REFERENCE : EVHPAZ EHP, Environmental Health Perspectives. (U.S. Government Printing Office, Supt of Documents, Washington, DC 20402) No.1- 1972- Volume(issue)/page/year: 6,145,1973 TYPE OF TEST : Micronucleus test ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - hamster DOSE/DURATION : 75 mg/kg REFERENCE : NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: DE83-770037 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Rodent - hamster Embryo DOSE/DURATION : 5 mg/L REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 37,2202,1977 TYPE OF TEST : Mutation test systems - not otherwise specified TEST SYSTEM : Rodent - hamster Liver DOSE/DURATION : 1700 umol/L REFERENCE : EXPEAM Experientia. (Birkhaeuser Verlag, POB 133, CH-4010 Basel, Switzerland) V.1- 1945- Volume(issue)/page/year: 46,461,1990 TYPE OF TEST : Sister chromatid exchange ROUTE OF EXPOSURE : Intraperitoneal TEST SYSTEM : Rodent - hamster DOSE/DURATION : 50 mg/kg REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 113,33,1983 TYPE OF TEST : Sister chromatid exchange ROUTE OF EXPOSURE : Oral TEST SYSTEM : Rodent - hamster DOSE/DURATION : 50 mg/kg REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 113,33,1983 TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Rodent - hamster Fibroblast DOSE/DURATION : 1 mg/L REFERENCE : CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 39,797,1979 TYPE OF TEST : Sister chromatid exchange TEST SYSTEM : Rodent - hamster Lung DOSE/DURATION : 100 ug/L REFERENCE : CBTOE2 Cell Biology and Toxicology. (Princeton Scientific Pub., Inc., 301 N. Harrison St., CN 5279, Princeton, NJ 08540) V.1- 1984- Volume(issue)/page/year: 2,379,1986 TYPE OF TEST : Unscheduled DNA synthesis ROUTE OF EXPOSURE : Intravenous TEST SYSTEM : Rodent - rabbit DOSE/DURATION : 12500 ug/kg REFERENCE : ARTODN Archives of Toxicology. (Springer-Verlag, Heidelberger Pl. 3, D-1000 Berlin 33, Fed. Rep. Ger.) V.32- 1974- Volume(issue)/page/year: 46,139,1980 TYPE OF TEST : Cytogenetic analysis TEST SYSTEM : Rodent - rabbit Leukocyte DOSE/DURATION : 5 mg/L REFERENCE : MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 55,43,1978 *** REVIEWS *** TOXICOLOGY REVIEW EJBLAB Egyptian Journal of Bilharziasis. (National Information and Documentation Center, Al-Tahrir St., Awqaf P.O. Dokki, Cairo, Egypt) V.1- 1974- Volume(issue)/page/year: 1,181,1974 *** STATUS IN U.S. *** EPA GENETOX PROGRAM 1988, Positive: SHE-clonal assay; Cell transform.-C3H/10T1/2 EPA GENETOX PROGRAM 1988, Positive: Cell transform.-RLV F344 rat embryo; Host-mediated assay EPA GENETOX PROGRAM 1988, Positive: N crassa-forward mutation; Histidine reversion-Ames test EPA GENETOX PROGRAM 1988, Positive: UDS in mouse germ cells; S cerevisiae gene conversion EPA GENETOX PROGRAM 1988, Positive: S cerevisiae-homozygosis; S cerevisiae-reversion EPA GENETOX PROGRAM 1988, Positive: S pombe-forward mutation EPA GENETOX PROGRAM 1988, Positive/dose response: In vitro SCE-nonhuman EPA GENETOX PROGRAM 1988, Negative: D melanogaster-reciprocal translocation EPA GENETOX PROGRAM 1988, Negative: Rodent dominant lethal; N crassa-aneuploidy EPA GENETOX PROGRAM 1988, Inconclusive: In vitro cytogenetics-nonhuman EPA GENETOX PROGRAM 1988, Inconclusive: In vivo cytogenetics-nonhuman bone marrow EPA GENETOX PROGRAM 1988, Inconclusive: D melanogaster Sex-linked lethal *** END OF RECORD ***