Question

Which of the following type of inheritance is shown by colour blindness?

• A. Chromosomal inheritance
• B. Criss-cross inheritance
• C. Zig-zag inheritance
• D. Up-down inheritance

Answer 1

Answer:

B. Criss-cross inheritance

Colour-blindness is a sex-linked trait which shows criss-cross inheritance which means male transmits his trait to his grandson through his daughter, while a female transmits the traits to her granddaughter through her son.