8 / 25 When closely related individuals mate with each other, or inbreed, the offspring are often not as fit as the offspring of two unrelated individuals. Why?
AClose relatives are genetically incompatible.
BThe DNA of close relatives reacts negatively in the offspring.
CInbreeding can bring together rare, deleterious mutations that lead to harmful phenotypes.
DInbreeding causes normally silent alleles to be expressed.
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Source:
OpenStax, Concepts in biology (biology 1060 tri-c). OpenStax CNX. Jan 15, 2014 Download for free at https://legacy.cnx.org/content/col11617/1.1
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