Question

What is the distinct feature of sex linked characters?

• A. Always follows criss-cross inheritance
• B. Never follow criss-cross inheritance
• C. May be present on Y-chromosome
• D. Only present on X-chromosome

Answer 1

The correct option is A Always follows criss-cross inheritance

The transmission of a character from father to grandson through his daughter is called criss-cross inheritance. It is also called zig-zag inheritance, the character appears in an alternate generation only. The sex linked characters exhibit criss-cross inheritance. Example: Haemophilia where the defective gene is located on X chromosome. Thus a single defective gene causes disease in male while two defective genes (homozygous condition) only can cause the disease in the female.

So, the correct answer is option A.