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How is gender determined?

How is gender determined?. Sex-linked traits. Sex Chromosomes. Females = XX Males = XY. Sex-linked Genes are on the X. Eye color is a sex linked trait in fruit flies; Red is dominant over white; show the cross of a heterozygous females and a recessive male

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How is gender determined?

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  1. How is gender determined? Sex-linked traits

  2. Sex Chromosomes • Females = XX • Males = XY

  3. Sex-linked Genes are on the X • Eye color is a sex linked trait in fruit flies; Red is dominant over white; show the cross of a heterozygous females and a recessive male • Define alleles: XR = red; Xr = white • Show parents: XRXr x XrY • Do the punnet square: • GR: 1XRXr: 1XrXr: 1XRY:1XrY • PR: 1 red female: 1 white female: 1 red male: 1 white male

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