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Draw a punnett square for one heterozygous Yellow bird, mixed with a recessive red bird. What color will the offspring be?Provide the possible genotype and phenotype outcomes.

Sagot :

They are giving us the parent's phenotype and genotype:

P1: Yellow, heterozygous

P2: Red, recessive homozygous

Let's assign the letter Y to the yellow allele and y to the red allele.

P1: Yy

P2:yy

Then the Punnett's square would be as follows:

This means 50% of the offspring would be heterozygous yellow birds, and the other 50% would be recessive homozygous red birds.

So, if there are 4 fledglings, 2 would be red and the other 2 would be yellow.

View image MartiU67489