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F₂ generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of :
Options
(a) Co – dominance
(b) Dihybrid cross
(c) Monohybrid cross with complete dominance
(d) Monohybrid cross with incomplete dominance
Correct Answer:
Monohybrid cross with incomplete dominance
Explanation:
Incomplete (partial or mosaic) dominance is the phenomenon where none of the two contrasting alleles or factors is dominant. The expression of the character in a hybrid of F₂ individual is intermediate or a fine mixture of the expression of the two factors (as found in homozygous state). Incomplete or mosaic inheritance is not an example of pre-mendelian concept of blending inheritance because the parental types reappear in the F₂ generation. It is however, considered by some workers to be an example of qua
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Topics: Locomotion and Neural Control
(33)
Subject: Biology
(4253)
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