Question

In Andalusian fowls,black individuals (B) and white individuals (W) are homozygous.A homozygous blackboard is crossed with a homozygous white bird.The offspring are all bluish gray. Show the cross as well as the genotype and phenotype of the parents and offspring.

Answer 1

Answer: The genotype of the parents are BB and WW while the genotype of the offsprings is BW.

The phenotype of the parents is: black for the homozygous black bird and white for the homozygous white bird. The phenotype of all the offsprings is bluish gray

Explanation: From the information provided, black trait B and white trait W are homozygous therefore the genotype of the parent are BB and WW for the black and white bird respectively. Their phenotype is black because the black trait B is dominant and white because the white trait W is also dominant.

See the attached punnet for the cross between the two birds.