Answer:
to see if there is any brain or nervous system problem
adaptations.
Natural selection leads to traits called adaptations, which improve an organisms ability to survive and reproduce.
Answer:
50%
Explanation:
Let's make a Punnett square to represent this, with X representing our dominant allele and x our recessive.
One homozygous dominant parent = XX
One heterozygous parent = Xx
X X
X XX XX
x Xx Xx
So two out of our four outcomes are heterozygous for the trait. That means the answer is <u>B. 50%.</u>
C. They unwinds the two strand of DNA.
