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<span>Random fertilization adds to the genetic variation thanks to B)Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation. Fertilization is a process of fusion of sperm and ovum. In a random fertilization, it is expected that sperm and ovum each have a unique combination of chromosomes. Thus, the created zygote will have a unique combination of chromosomes which introduces variation.</span>
50% of the offspring will be Aa (red), 50% will be aa (white).
Alleles on homologous chromosomes determine traits.
A cladogram is similar to Family Tree
Explanation:
A cladogram and a family tree both show relationships between common ancestors. It shows the relationship the organism but it is not same as evolutionary or family tree because it doesn’t show the relationship with ancestor to their descendent and also it doesn’t show how they changed.
Cladogram is type of diagram based result analysis. Clade is group of organism with their last similar ancestor. A cladogram is represented through lines.