If 35% of the bases in a region of the mouse genome are cytosine, what percentage in that region are adenine?

A) 15%
B) 20%
C) 30%
D) 35%
E) cannot be determined


A) 15%

Biology & Microbiology

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When only one copy of a human beta globin gene codes for valine instead of glutamic acid in position 6, then that person is ________

a. capable of making both normal and abnormal hemoglobin b. completely normal c. affected with sickle cell anemia d. none of the choices

Biology & Microbiology

Cells change shape during embryogenesis due to

a. altering of the microtubules in the cells. b. adhesive proteins on the surface of the cell. c. cell migration due to a chemical smell. d. physical signals from the environment. e. none of these.

Biology & Microbiology

An ________ is a group of organs that work together in the body to perform a particular function.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

A certain form of albinism in humans is recessive and autosomal. Assume that 1% of the individuals in a given population are albino. Assuming that the population is in Hardy-Weinberg equilibrium, what percentage of the individuals in this population is

expected to be heterozygous? A) 99% B) 9% C) 82% D) 18%

Biology & Microbiology