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1. President Obama and Mrs. Obama are looking to have another child. They are both heterozygous for rolling their tongues, which is a dominant trait (R). What are the possible genotypes for their next child? Phenotypes? To solve this problem follow the steps below Step 1: Write out the parent genotypes cross: Step 2: Punnett square: Figure out the gametes. Put the parent gametes in the proper locations & fill in the boxes.

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mickymike92

The possible genotypes of the offspring of the parents are RR, Rr, and rr.

What are dominant traits?

Dominant traits are characters which are always present in every generation.

A dominant trait is encoded for by the dominant allele of a gene.

Assuming the genotype of the parents are Rr and Rr.

The cross between them will give:

Rr × Rr = RR, Rr, Rr and rr.

Therefore, the possible genotypes of the offspring of the parents are RR, Rr, and rr.

Learn more about dominant traits at: https://brainly.com/question/3128896

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