The human MN blood type is determined by two codominant alleles, LMand LN. The frequency of LM in Eskimos on a small Arctic island is0.80.a. If random mating takes place in this population, what are the expectedfrequencies of the M, MN, and N blood types on the island?b. If the inbreeding coefficient for this population is 0.05, what are theexpected frequencies of the M, MN, and N blood types on the island?
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
The human MN blood type is determined by two codominant alleles, LM
and LN. The frequency of LM in Eskimos on a small Arctic island is
0.80.
a. If random mating takes place in this population, what are the expected
frequencies of the M, MN, and N blood types on the island?
b. If the inbreeding coefficient for this population is 0.05, what are the
expected frequencies of the M, MN, and N blood types on the island?
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