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Paper 3Theory (Core)2 marks
Two parents have genotypes Aa and Aa for a gene where A is dominant and a is recessive. Use a Punnett square to show the possible genotypes of their offspring.
Description
Genetic Cross Aa x Aa
Cross between two heterozygous parents (Aa x Aa).
| Parent 1 alleles | Parent 2 alleles |
|---|---|
| A | a |
| A | a |
- a[2]
State the genotypes that can be produced by this cross.
Aim for approximately 2 distinct marking points.
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