It is C as to have freckles you have to have a dominant and recessive gene (can be worked out using a punnett square) as the child has 50% of not having freckles like his dad or 50% having freckles like his mom.
male genes(homozygous recessive)
f f
female F Ff Ff
genes
f ff ff
so ff is not having freckles and being homozygous recessive, or Ff having freckles and being heterozygous.
So the child is heterozygous so C
Answer: food and drug administration
Explanation:
The correct answer is the circulatory system. Hope that helps :)
Answer: Because scientists often repeat one or more steps several times.
Explanation: The scientific method is described as nonlinear because scientists often repeat one or more steps several times. The correct option among all the options that are given in the question is the second option or option "b".