Q. Two genes R and Y are located very close on the chromosomal linkage map of maize plant. When RRYY and rryy genotypes are hybridized, then $F_{2}$-segregation wii show
A) Higher number of the recombinant types
B) Segregation in the expected 9 : 3 : 3 : 1 ratio
C) Segregation in 3 : 1 ratio
D) Higher number of the parental types
Explanation
Law of independent assortment does not applicable when the gene of different character occupy on the same homologous chromosome, i.e., linked gene.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.