Natural selection
Evolution is the process whereby the gene pool of a species is gradually changed over…
Sheeb Margarita
Gene mapping: crossover frequencies
Genetic mapping provides information about the location of a specific gene along a chromosome; crossing…
Testcross (Backcross; concepts of parental, F1, and F2 generations)
A test cross is a way to determine whether an organism that expressed a dominant…
Hardy–Weinberg Principle
The Hardy-Weinberg principle states that a population’s allele and genotype frequencies will remain constant throughout…
Obesity and regulation of body mass
Obesity is a metabolic disorder and a dysfunctional regulation of body fat; it is associated…
Hormonal regulation of fuel metabolism
Insulin and glucagon are the two regulatory hormones secreted by the pancreas that maintain a…
Tissue specific metabolism
The major sites of metabolic activity in the body are the tissues in liver, skeletal…
Higher level integration of hormone structure and function
Hormone structure determines whether it is water-soluble or lipid-soluble, which in turn is central to…
Calcium Regulation of Contraction
After calcium in the sarcoplasmic reticulum is released by a stimulus, it binds to and…
Presence of Troponin and Tropomyosin
Troponin and tropomyosin are regulatory proteins that help to regulate the interaction between actin and…