Q. Test cross is when
A) F1 crossed with heterozygous parent
B) F1 crossed with homozygous dominant parent
C) F1 crossed with homozygous recessive parent
D) F1 crossed with homozygous parent
Explanation
Test cross is the cross of F1 with its recessive parent. It is used to observed that the F1 is homozygous or heterozygous. It gives 1 : 1 ratio in monohybrid and 1 : 1 : 1 : 1 ratio in dihybrid cross.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.