An animal breeder practiced full-sib mating through artificial insemination of a reddish skin (AaBb) gilt. Among the 16 offsprings, 9 have reddish skin, 6 have sandy skin, and 1 has white skin. а. Нурothesis b. Calculate the expected values and chi-square value of the four phenotypes based on the hypothesis (Show your solutions) Expected Frequency (D = O-E) (E) Observed Deviation Phenotypic Class D2 X2=D2 / E Frequency (0) 2 3 n = X2com= c. Conclusions:

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Population Growth

R and K Selection

R and K selection are concepts in ecology used to describe traits in the fluctuation of a population or population dynamics. For example, they describe the life-association traits between parent and offspring, such as quantity or number of young ones born at a time, quality of parental care, the age to maturity, and reproductive effort.