Question

State the difference between test cross and back cross?

Answer 1

BACK CROSS IS THE CROSS BETWEEN PROGENY IN F1 GENERARATION
WITH ANY OF ITS PARENTS.
F1 PROGENY* PARENTAL PLANT

TEST CROSS IS THE CROSS BETWEEN PROGENY IN F1 GENERATION
WITH ITS RECESSIVE PARENT.

F1 PROGENY RECESSIVE PARENT

Answer 2

Answer:

A heterozygous genotype has a dominant and a recessive allele. Whereas a homozygous genotype can have either both dominant or both recessive alleles.

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Differentiate between back cross and test cross.

Test crossBack crossThe F1 hybrid is crossed with a recessive genotype.An F1 hybrid is crossed with either homozygous dominant or heterozygous genotypes.