Which of the following crosses would produce a 1:1 ratio of phenotypes in the next generation?
A) AA × AA
B) AA × aa
C) Aa × Aa
D) Aa × aa
E) aa × aa

Name: Which of the following crosses would produce a 1:1 ratio of phenotypes in the next generation? A) AA × AA B) AA × aa C) Aa × Aa D) Aa × aa E) aa × aa
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Question

Quizplus · Accepted Answer

The cross Aa × aa will produce a 1:1 ratio of phenotypes, with half of the offspring being heterozygous (Aa) and the other half being homozygous recessive (aa).

Which of the Following Crosses Would Produce a 1:1 Ratio