The first 22 chromosomes contain hundreds of genes in the same positions and sequence. if the code of the gene from one parent is exactly like the code on the same gene from the other parent, the gene pair is

yes it is weird but true

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.

it is called the mitotic spindle