Mainly because it was extremely hot at the beginning of Earth's time.
Answer:
<h2>Gregor Mendel used "Cross Polination"of parents that have different traits to produce offsprings.</h2>
H h
h Hh hh
h Hh hh
In a genetic cross, <span>where the male parent is heterozygous for curly hair (Hh) and the female parent is homozygous for straight hair (hh), </span>the offspring would C. HALF WOULD HAVE STRAIGHT HAIR AND HALF CURLY HAIR.
