Albinism, lack of pigmentation in humans, results from an autosomal recessive gene. Two parents with normal pigmentation have an albino child. What is the probability that their next child will be wild type?
A) 1/8 B) 1/2 C) 3/16 D) 3/4 E) 0%
Answer: C
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Although the inner leaflet of the gram-negative outer membrane is composed mainly of phospholipids, the outer leaflet of the outer membrane contains
A) pseudopeptidoglycans. B) lipoteichoic acids. C) poly-?-hydroxybutyric acids (PHB). D) lipopolysaccharides (LPS).
The two major ventral body cavities of a fetal pig are the
(a) thoracic and pleural. (b) thoracic and pericardial. (c) abdominopelvic and thoracic. (d) abdominopelvic and pericardial.
At night, assuming no artificial lights, primarily ____
a. Pr absorbs red light and is converted to Pfr b. Pr absorbs far-red light and is converted to Pfr c. Pfr absorbs red light and is converted to Pr d. Pfr absorbs far-red light and is converted to Pr e. Pfr is converted to Pr
After childbirth, ____ in the mother
a. oxytocin stimulates the production and secretion of milk b. oxytocin stimulates the production of milk and prolactin stimulates the secretion of milk c. prolactin stimulates the production and secretion of milk d. prolactin stimulates the production of milk and oxytocin stimulates the secretion of milk e. estrogen and progesterone are directly responsible for the production and secretion of milk