OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The alleles for round (R) and yellow (Y) are ____ over the alleles for wrinkled (r) and green (y).
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dominant
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recessive
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codominant
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polygenic
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Explanation:
Detailed explanation-1: -∙ Selfing of the F1 plants gave F2 progenies exhibiting 4 different phenotypes: Round yellow (9), wrinkled yellow (3), round green (3), and wrinkled green seeded plants (1). Hence, the ratio obtained is 9:3:3:1.
Detailed explanation-2: -The round allele (R) is dominant and the wrinkled allele (r) is recessive.
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