Explain the circumstances when a recessive trait will be expressed

The condition when recessive trait is expressed is Homozygous condition. When a trait is recessive, a person should have two copies of a recessive trait (homozygous condition). Recessive allele are denoted by lower case letter.and dominant by upper case. Example: Heterozygous (Ss) and homozygous (ss). To exhibit a recessive trait the offspring must have one recessive allele from both the parents.

the atmospheric gas that forms a mild acid when dissolved in water is called carbon dioxide. the correct answer is a. 2.) chemical weathering would cause an inscription on a marble headstone to become harder and harder to read over time.