What are the five premating isolating mechanisms that keep different species from successfully mating?
What will be an ideal response?
The mechanisms are geographic isolation, ecological isolation, temporal isolation, behavioral isolation, and mechanical incompatibility.
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In addition to electrons, which of the following is also involved in electron transfer?
A. Glucose B. Hydrogen C. ADP D. Carbon E. Carbon dioxide
Which of the following is characteristic of cardiac muscle but not smooth muscle?
A. Ability of the cells to contract in a coordinated fashion B. Presence of gap junction cells C. Involuntary contraction D. Capability of responding to nervous stimulation E. Presence of intercalated disks
Which of the following diseases is NOT caused by viruses?
a. The common cold and influenza b. Smallpox and mononucleosis c. Polio and rabies d. Aids and warts e. Diabetes
Suppose that mother has albinism, which is a recessive trait. Suppose also that your father has cystic fibrosis, which is also caused by a recessive trait. And you learn that your father-in-law has albinism and cystic fibrosis. What is the probability that your first child will NOT have either albinism or cystic fibrosis?
a. 1 in 16 b. 1 in 8 c. 3 in 8 d. 2 in 5