Question

If you cross two heterozygous (Yy) pea plants, what proportion of the offspring will be heterozygous?

Answer 1

Answer: 50%

Explanation: If You mak a Punnet Square, or just a 2x2 box with a Y and y on both sides, you'd get 1 YY (25%), 2 Yy (50%), and 1 yy (25%) offspring.

Answer 2

2/4 = 50% of the offsring will be heterozygous