Assertion: Test cross is the cross between the F1 progeny and either of the parent types. Reason: Back cross is the cross between F1 progeny and the double recessive genotype.

Question

Assertion: Test cross is the cross between the F1 progeny and either of the parent types. Reason: Back cross is the cross between F1 progeny and the double recessive genotype. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

A cross of F1 hybrid with either of the two parents is known as back cross. Crossing of F1 individual having dominant phenotype with its homozygous recessive parent is called test cross.

Q. Assertion : Test cross is the cross between the $F_{1}$ progeny and either of the parent types.
Reason : Back cross is the cross between $F_{1}$ progeny and the double recessive genotype.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

A cross of $F_{1}$ hybrid with either of the two parents is known as back cross. Crossing of $F_{1}$ individual having dominant phenotype with its homozygous recessive parent is called test cross.

Q. Assertion : Test cross is the cross between the F1​ progeny and either of the parent types. Reason : Back cross is the cross between F1​ progeny and the double recessive genotype.