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Bateson used the terms coupling and repulsion for linkage and crossing over. Name the correct parental or coupling type along with its cross over or repulsion. A Coupling AABB, aabb; Repulsion AABB, AAbb B Coupling AAbb, aaBB; Repulsion AABB, aabb C Coupling aaBB, aabb; Repulsion AABB, aabb D Coupling AABB, aabb; Repulsion AAbb, aaBB

Bateson used the terms coupling and repulsion for linkage and crossing over. Name the correct parental or coupling type along with its cross over or repulsion.

A

Coupling AABB, aabb; Repulsion AABB, AAbb

B

Coupling AAbb, aaBB; Repulsion AABB, aabb

C

Coupling aaBB, aabb; Repulsion AABB, aabb

D

Coupling AABB, aabb; Repulsion AAbb, aaBB

 
 
 

Grade:12

3 Answers

Rituraj Tiwari
askIITians Faculty 1792 Points
one year ago
Coupling refers to the case where dominant alleles are on the same homologue chromosome and both recessive alleles are on the other homologue chromosome.Repulsion refers to the case where each homologous chromosome has one dominant and one recessive allele from the two genes.
So, the correct answer is 'Coupling AABB, aabb; Repulsion AAbb, aaBB'.
Rituraj Tiwari
askIITians Faculty 1792 Points
one year ago
Coupling refers to the case where dominant alleles are on the same homologue chromosome and both recessive alleles are on the other homologue chromosome.Repulsion refers to the case where each homologous chromosome has one dominant and one recessive allele from the two genes.
So, the correct answer is 'Coupling AABB, aabb; Repulsion AAbb, aaBB'.
ankit singh
askIITians Faculty 614 Points
one year ago
Coupling refers to the case where dominant alleles are on the same homologue chromosome and both recessive alleles are on the other homologue chromosome. Repulsion refers to the case where each homologous chromosome has one dominant and one recessive allele from the two genes.
case where each homologous chromosome has one dominant and one recessive allele from the two genes.
So, the correct answer is 'Coupling AABB, aabb; Repulsion AAbb, aaBB'.

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