Question

what is the difference between test cross and backcross?

Answer 1

Understanding the difference between test cross and backcross is important as test cross and backcross are two types of crosses used in genetics that are extremely helpful to identify the genotype of an animal or a plant. The major objective of performing test cross and backcross is to discover the heterozygosity or homozygosity  of individuals by identifying the types of gametes that produce the dominant genotypes. The following example will be considered to explain test cross and back cross and the difference between the two types of crosses, in this article.

Answer 2

Answer:

Back cross :

It is the cross made between F1 hybrids with any one of its parents.

Test cross :

It is a cross made between F1 hybrid with its double recessive parents to confirm homozygus or heterozygous condition of F1 hybrid.

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