Question

Having no dimples is a recessive trait in humans that is controlled by a single gene. How many recessive alleles must a person have to have no dimples ?

Answer 1

the answer your looking for on apex is 2

Answer 2

A person must have 2 recessive alleles for no dimple trait.

What do you mean by trait?

• "It is a genetically determined characteristics."

What is allele?

• It is the contrasting pair of gene.

What do you mean by recessive?

• "The allele which is present but are not expressed unless it is inherited from both parents are called recessive."

The punnette square shown in diagram represent when the no dimple trails will be expressed.

Hence, the 2 alleles are required to express no dimple recessive trait.

To know more about recessive alleles here

https://brainly.com/question/18075358

#SPJ2