Question

In a certain plant species, thick-shelled seeds are caused by the dominant allele T, while thin-shelled seeds are caused by the recessive allele t. Consider an individual plant that has thin-shelled seeds. What is the genotype of this individual?

Answer 1

Answer: tt

Explanation: If the allele for a trait is recessive, it has to have 2 of that recessive allele to show that trait.