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Expressions of only one of the …

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Expressions of only one of the parental character in F1 and expressions of both in F2 can be explained by A) law of dominance B)law of segregation C) punnet square Pls give reason for your answer

Posted by Sonal Sharma 5 years, 6 months ago

CBSE > Class 12 > Biology

1 answers

Nishant Kapoor213 5 years, 6 months ago

A) Let parent are both homozygous, male(TT) and female (tt), In F1 Tt alleles having progeny born And this progeny have phenotype of tall. Law of dominance proved. B) if we self pollinate this progeny then, In F2 progeny TT, Tt, tt as u can see tt phenotype is dwarf. It shows that recessive allele hide it itself and pass to successive generations and express itself it only in homozygous condition. Thus, law of segregation proved. Note:- mendelian laws are not always correct. Still,we appreciate them as they are the pillars of genetics.

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