108
Punnett Square 2: A father is heterozygous and has the gene for
detached earlobes. He received a D from his father and a d from his
mother. He marries a woman with the same heterozygous genotype.
What is the chance that their child will have the same detached earlobes
as they do? *
100%
75%
O 50%
25%

explanation:

plz give me the characteristics.

correct answer is option a.

tropopause, stratopause and mesopause have all in common aspect that is point of maximum temperature in its layer of the atmosphere. all layers of atmosphere observe abrupt change in temperature. tropopause is the boundary between troposphere and stratosphere. stratopause is the boundary between stratosphere and mesosphere. mesopause is the boundary between mesosphere and thermosphere. these all boundaries are ranges between altitude of 0 to 80 km.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).