Red hair (b) is recessive to brown hair (B). Which of the following explains
how two brown haired parents can produce a red haired child? *

Yes, the two brown-haired parents can produce a red-haired child

Explanation:

According to the theory, the gene pair can have two combinations either red pair or the non-red pair  the allele for the red hair is always recessive.The parent's genes with the combination of two brown-haired genes will produce red hair color.  And the red hair color has lots of health issues.Due to the recessive character, the child can have red hair.

  a. chromosomes are duplicated before cell division so that each new daughter cell has a complete set