Which statement is accurate about dominant alleles?(1 point)
Responses
They result in the trait of shortness in pea plants.
They result in the trait of shortness in pea plants.
They are expressed only when a recessive allele is not present.
They are expressed only when a recessive allele is not present.
They are indicated by lowercase letters.
They are indicated by lowercase letters.
They are expressed whenever present.
They are expressed only when a recessive allele is not present.
The accurate statement about dominant alleles is that they are expressed only when a recessive allele is not present.
To arrive at this answer, you can use your understanding of genetics and the concept of dominant and recessive alleles. Dominant alleles are those that are always expressed in the phenotype of an organism, regardless of whether there is another copy of the allele present. In contrast, recessive alleles are only expressed in the phenotype of an organism when there are no dominant alleles present.
In the given responses, the statement "They are expressed only when a recessive allele is not present." correctly describes the nature of dominant alleles and is the accurate statement about them.
The statement that is accurate about dominant alleles is:
- They are expressed only when a recessive allele is not present.