Which of the following regions connects directly to the rectum?
a. sigmoid colon
b. ascending colon
c. descending colon
d. transverse colon
e. appendix
A
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If you tracked an individual X chromosome from a male to his first generation offspring, then to his second generation offspring, what pattern would you see?
A. His X chromosome would be found only in his daughters and granddaughters. B. His X chromosome would be found only in his sons and grandsons. C. His X chromosome would be found only in his daughters and grandsons. D. His X chromosome would be found only in his daughters, then in both his granddaughters and grandsons. E. His X chromosome would be found only in his sons, then in both his granddaughters and grandsons.
An autosomal dominant trait
A) passes from mother to son only. B) skips generations. C) can be carried by unaffected individuals. D) can affect either sex.
In the Northern Hemisphere, seasonal variation in temperatures is caused mainly by ____
a. the Earth's elliptical orbit taking it closer to and farther away from the sun b. the Earth's tilt on its axis of 23.5
The wet-nose and cleft upper lip of the _____ does not allow these primates the range of facial expressions and
vocalizations observed in the anthropoids.
a. orangutan b. lemur
c. spider monkey d. gorilla e. human