In corn the glossy trait (AA) gives glossy leaves and the ramosa trait (BB) determines branching...

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Biology

In corn the glossy trait (AA) gives glossy leaves and the ramosatrait (BB) determines branching of ears, a test cross produced thefollowing results:

Normal leaved and normal branches                  395

Glossy leaved and ramosa branching382

Normal leaved with ramosa branching223

Glossy leaved with normal branching247

Total of 1247 offspring.

Are the glossy and ramosa genes linked? Test your hypothesis. If they are linked calculate distancebetween them.

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Solution Are the glossy and ramosa genes linked Null hypothesis genes are not linked Testing of null hypothesis If genes are not linked they must follow the law of independent assortment according to which test cross F1 generation offspring is crossed with a homozygous recessive individual produces a ratio of 1111 in F2 generation Glossy    See Answer
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