28. Cross an unaffected Female with an unaffected Male in a Punnett square. a. What is the female's genotype? b. What is the male's genotype? c. What's the probability their offspring will be colorblind? underline ( )% d. What's the probability of a male child being colorblind? underline ( )% e. What's the probability of a female child being colorblind? underline ( )%

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28. Cross an unaffected Female with an unaffected Male in a Punnett square. a. What is the female's genotype? b. What is the male's genotype? c. What's the probability their offspring will be colorblind? underline ( )% d. What's the probability of a male child being colorblind? underline ( )% e. What's the probability of a female child being colorblind? underline ( )%

Answer 1

a. XXb. XYc. 0%d. 0%e. 0%

Answer 2

This question is about genetics, specifically about the inheritance of colorblindness, which is a recessive trait linked to the X chromosome. a. The female is unaffected, which means she does not carry the colorblind gene. Since females have two X chromosomes, her genotype is XX.b. The male is also unaffected, which means he does not carry the colorblind gene. Since males have one X and one Y chromosome, his genotype is XY.c. The probability of their offspring being colorblind is 0% because neither parent carries the colorblind gene.d. The probability of a male child being colorblind is also 0% because the male parent does not carry the colorblind gene.e. The probability of a female child being colorblind is 0% because the female parent does not carry the colorblind gene.

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