Since a Testcross Backcrosses with a Pure Homozygous Recessive Strain,the

question 44

Multiple Choice

Since a testcross backcrosses with a pure homozygous recessive strain,the offspring of an Aa genotype crossed by an aa genotype would show which genotype(s) ?

• A) AA only
• B) Aa only
• C) AA and Aa
• D) Aa and aa

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Definitions:

Red Glow

A term that might refer to the reflection or appearance of a reddish light or illumination, either as a physical phenomenon or a symptom in medical contexts.

Opacity

The condition of being opaque, which can refer to a substance or tissue that does not allow light to pass through.

Retinal Detachment

A serious condition where the retina at the back of the eye pulls away from its normal position, potentially leading to vision loss.