ANTH notes 9-17-07

ANTH notes 9-17-07 - they also have one copy of the normal...

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ANTH 9/17/07 1) Chromosomes and Sex Determination i) -22 pairs of human chromosomes are known as autosomes. (a) -Numbered by decreasing size from 1-22 ii) -The 23 rd pair is know as the sex chrosomes (a) -male determines the sex of the offspring by supplying either an X or a Y chrosome (b) -TDF (testis determine factor) gene on the Y chromosome iii) -Abnormalities in sex chromosomes include Klinefelter’s (XXY) & Turner’s (XO) syndromes 2) Sex Linked Traits on X chromosome i) -Sex linked diseases (ex., color-blindness & hemophilia) result from X- linked recessive genes. (a) -with only one copy of the gene, females are carriers (because
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Unformatted text preview: they also have one copy of the normal gene on their other X chromosome) (b) -with one copy of the gene males have the disease (because the Y chromosome does not carry the normal gene) 3) Hemophilia Punnett Square X h Y X H X H X h X H Y X H X H X h X H Y 4) Important Genetic Terms To Know a) Genes, alleles, and loci (plural of locus) b) Gametes and zygotes c) Homo & Heterozygous d) Genotype and Phenotype e) Autosomal and sex shromosomes f) Karyotype g) Sex-linkage (aka X-linkage) h) Somatic cells & reproductive or gem line cells i) Mitosis, meiosis, necuesl...
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This note was uploaded on 04/10/2008 for the course ANTH 1500 taught by Professor Anemone during the Fall '07 term at Western Michigan.

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ANTH notes 9-17-07 - they also have one copy of the normal...

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