Having dimples is a dominant trait represented by the allele "D". If Carlos has dimples, which of the following could represent his genotype? Explain your reasoning.

DD or Dd

Explanation:

Having dimples is the dominant trait which means if he is heterozygous, the dominant trait will still show. So it can be homozygous dominant or heterozygous.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.