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Testcross?

Human Anatomy, Physiology, and Medicine. Anything human!

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Testcross?

Postby edbaseball17 on Wed Sep 19, 2007 2:53 am

which one of these is a testcross?

DD X dd
D? x dd
Dd X Dd
D? x D?
edbaseball17
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Postby Jammerz on Wed Sep 19, 2007 4:07 am

A testcross is one in which you cross an organism with unknown genotype with an organism of known, homozygous recessive genotype.

Knowing that, you should be able to pick the right answer.
Jammerz
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