Question

how many letters does a genotype contain? 4 1 3 2

Explanation:

A genotype represents the genetic makeup for a trait, and it consists of two alleles (one from each parent), so it contains 2 letters (e.g., TT, Tt, tt).

Answer:

D. 2 (assuming the options are labeled as A. 4, B. 1, C. 3, D. 2)