Question

When a dihybrid cross is fit into a punnett square with 16 boxes, the maximum possible number of different phenotypes available are

• A. 8
• B. 4
• C. 2
• D. 16
• E. 12

Answer 1

Answer: (B)

4

A dihybrid cross involves a cross between two different lines which differs in two contrasting characters. A dihybrid cross, in a Punnett square with 16 boxes leads to the formation of four contrasting characters in the second generation. For, example a plant with round yellow seed is crossed with a plant with wrinkled green seed it leads to the formation of round yellow, wrinkled yellow, round green and wrinkled green characters.

So, the correct answer is option B.