3.A black guinea pig (Bb) is crossed with an albino guinea pig (bb). Note: Black is...

3.A black guinea pig (Bb) is crossed with an albino guinea pig (bb). Note: Black is dominant over albino. Use a Punnett square to determine the genotypes and phenotypes of the parents and offspring.

4. Note: the genotype of females is XX; for males is XY. Use a Punnett square to determine the genotypes and phenotypes of the offspring. a. If a couple has 3 girls, what are possibilities of the 4th child to be another girl?

5. A father with blue eyes (bb) is married to a woman with hazel eyes (Bb). Use a Punnett square to determine the genotypes and phenotypes of the offspring

Expert Solution

3. If black is dominant over albino then,

genotype of parents will be Bb and bb and phenotype will be Black and albino respectively.

Genotypes of offsprings as Bb, Bb, bb and bb. Phentypes as Black, black and albino and albino respectively.

4. If three children are already daughters that doesn't affect the gender of fourth child. There are 50% chances of the child being a girl or a boy as usual.

Genotype will be as XX, XX XY and XY. Phentypes as female, female, male and male respectively.

5. Genotype of offsprings : Bb, bb, Bb and bb.

Phentypes :Hazel eyed F, blue eyed F, hazel eyed M and blue eyed male respectively.

gladiator answered 2 years ago

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