Q.If a test cross ( $AaBb \times aabb$ ) produces $45\%$ $AB$ , $45\%$ $ab$ , $5\%$ $Ab$ , and $5\%$ $aB$ offspring, what can you conclude about genes A and B?

They undergo independent assortment.

They are linked and crossing over has occurred.

They are completely linked with no crossing over.

They exhibit pleiotropy.

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.If a test cross (AaBb×aabbAaBb \times aabbAaBb×aabb) produces 45%45\%45% ABABAB, 45%45\%45% ababab, 5%5\%5% AbAbAb, and 5%5\%5% aBaBaB offspring, what can you conclude about genes A and B?