Multiple choice

A cross used to ascertain whether a genotype is homozygous or heterozygous dominant is termed :

  1. reciprocal

  2. back cross

  3. test cross

  4. monohybrid
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C Correct answer
Explanation

When F1 hybrid is crossed with one of the two parents form whcih they were derived than such a cross is called back cross. The cross of F1 hybrid to the recessive parent is used to ascertain whether a dominant is homozygous or heterozygous and it is called test cross.

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