What is the expected genotype ratio from a cross between two heterozygous indivi

What is the expected genotype ratio from a cross between two heterozygous individuals (Aa x Aa)?

What is the expected genotype ratio from a cross between two heterozygous individuals (Aa x Aa)?

Step 1: Understand that 'Aa' means one dominant allele (A) and one recessive allele (a).
Step 2: Set up a Punnett square to visualize the cross between two Aa individuals.
Step 3: Write the alleles of one parent (Aa) on the top of the Punnett square and the alleles of the other parent (Aa) on the side.
Step 4: Fill in the Punnett square by combining the alleles from each parent.
Step 5: The combinations you will get in the squares are: AA, Aa, Aa, and aa.
Step 6: Count the genotypes: 1 AA, 2 Aa, and 1 aa.
Step 7: Write the ratio of the genotypes: 1 AA : 2 Aa : 1 aa.

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