Anhidrotic ectodermal dysplasia is characterized by lack of normal ____________________ in the
skin. Fill in the blank(s) with the appropriate word(s).
ANS: sweat glands
You might also like to view...
True or false: Osmoconformers tend to live in environments with variable solute concentrations
A. true B. false
In California, a species of salamanders were geographically separated over time. The group that lived in southern California relied heavily on large gold blotches on their skin that helped to camouflage them from predators. The group that lived along the coast adopted a color pattern that mimicked a poisonous, colorful newt common to that area. Instead of being camouflaged, these salamanders advertised their colors. What type of selection process has occurred over time?
A. theoretical selection B. natural selection C. experimental selection D. artificial selection
Normal diploid somatic (body) cells of the mosquito Culex pipiens contain six chromosomes. Assuming that all nuclear DNA is restricted to chromosomes and that the amount of nuclear DNA essentially doubles during the S phase of interphase, how much
nuclear DNA would be present in metaphase I of mitosis? Note: Assume that the G1 nucleus of a mosquito cell contains 3.0 × 10-12 grams of DNA. A) 3.0 × 10?12 g B) 6.0 × 10?12 g C) 12 × 10?12 g D) 0.75 × 10?12 g E) 1.5 × 10?12 g
Which primate is found within the anthropoid group with humans?
A. lemurs B. tarsiers C. lorises D. elephants E. monkeys