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Question

An offspring with Tt genotype is crossed with an individual with tt genotype. This is an example of?
  1. Test cross
  2. Monohybrid cross
  3. Inbreeding
  4. Both back and test cross

A
Both back and test cross
B
Test cross
C
Monohybrid cross
D
Inbreeding
Solution
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The correct option is A Test cross
Test cross involves the breeding of an individual with a phenotypically recessive individual, in order to determine the zygosity of the forms by analyzing proportions of offspring phenotypes. Those that are heterozygous have one dominant and one recessive allele. Zygosity can either be Heterozygous or Homozygous.

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