Q. BB = for black colour alleles bb = for brown colour alleles Offspring of a cross between a black mouse and brown mouse allowed to interbreed than find out the percentage of black coat in them
A) 75%
B) 50%
C) Cross is not possible because black and brown mouse are different species
D) 100%
Explanation
Black colour is dominant over the recessive so by cross it is easily infered that 75% of the offspring are black and 25% are brown [image:5d_image10.emf]
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.