Which natural factors affect changes in genetic variation?
What will be an ideal response?
Chromosomal assortment and crossing over reshuffle combinations of mutations at different loci; forces such as selection, genetic drift, and migration can increase or decrease the frequencies of mutant alleles in populations.
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Common recessive alleles present in a family can result in a pedigree that looks like ____ inheritance
a. X-linked recessive b. X-linked dominant c. autosomal dominant d. autosomal recessive e. Y-linked
The regulation of blood pressure is an example of local homeostatic controls
Indicate whether the statement is true or false.
Which of the following defends against BOTH bacteria and viruses?
a. interferons b. lysozyme c. NK cells d. plasma cells e. cytotoxic T cells
Carpal tunnel syndrome is caused by an inflammation of tendons passing through the carpal tunnel of the wrist. What causes this inflammation and pain?
A) The tendons become stretched out and ultimately tear away from the bone. B) Certain continuous hand motions cause the tendons to repeatedly rub against bone. C) The associated muscles are too weak and begin to spasm, leading to inflammation. D) The muscles eventually fatigue and become swollen, thus swelling the tendon.