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Question

The cross between F1 individual with any one of the parents is called ___.


A

Back cross

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B

Test cross

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C

Reciprocal cross

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D

Top cross

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Solution

The correct option is A

Back cross


The cross between F1 individual with any one of the parents is called back cross. The back cross is done in order to achieve offspring with a genetic identity which is closer to that of the parent.
A test cross is the cross between a progeny and the homozygous recessive parent. This reveals the genotype of the progeny.
Reciprocal cross is a cross with the phenotype of each sex reversed as compared with the original cross. Its carried out to test the role of parental sex on inheritance pattern.
And a top cross is a cross between a superior or purebred male and inferior female stock to improve the average quality of the progeny.


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