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Which of the following represent a test cross?!1)YYRR×yyrr2)YyRr×YyRr3)YyRr×yyrr4)YyRr×YYRR ((No Spam please)) |
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Answer» TEST crosses are used to test an individual's genotype by CROSSING it with an individual of a KNOWN genotype. Individuals that show the recessive phenotype are known to have a homozygous recessive genotype.The PURPOSE of a test cross is to determine if this individual is homozygous dominant or heterozygous. Answer: C. |
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