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Tanzania [10]
3 years ago
11

In a certain species of parrot, having yellow feathers is a dominant trait and having green feathers is a recessive trait. A hom

ozygous yellow parrot is crossed with a homozygous green parrot. If the female parrot lays four fertile eggs, what will be the phenotypes of the offspring?
Biology
1 answer:
Veronika [31]3 years ago
3 0
If we label the yellow parrot alleles with YY (a homozygote) and green parrot gg (also a homozygote) we can cross these two individuals and determine their future offspring.
YY  x  gg
Yg Yg Yg Yg
All of the offspring would receive one dominant Y allele from the yellow parent and one recessive allele from the green parent and their genotypes would all be Yg (heterozygotes). Since Y allele is dominant, all of the offspring would have yellow feathers.
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