Anury is the absence or abbreviation of the tail in sheep (and also other animals). It is inherited in an autosomal dominant fashion. A ram with anury is mated to a ewe with a normal tail. The ram’s father had anury, his mother did not. What is the probability that the ram and ewe will produce a lamb with anury? (ram = male; ewe = female)
A. 25%
B. 50%
C. 75%
D. 100%
E. No chance
B. 50%
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Often it is important for health reasons to induce labor (i.e., smooth muscle contractions) in pregnant women. The drugs used for this purpose would most closely resemble
A. arginine vasotocin. B. oxytocin. C. antidiuretic hormone. D. prolactin. E. cortisol.
A group of neighboring populations that exchange individuals is defined as a ____
a. metapopulation b. megapopulation c. community d. source population e. sink population
What is the expected phenotypic ratio of a cross between two orange-eyed MendAliens?
A) 3 black-eyed:1 orange-eyed B) 0 black-eyed:1 orange-eyed C) 1 black-eyed:3 orange-eyed D) 1 black-eyed:0 orange-eyed E) 1 black-eyed:1 orange-eyed
The part of the spirochete that houses the cytoplasm and the nucleoid of spirochetes is called the ________ cylinder.
A. protoplasmic B. mesoplasmic C. cytoplasmic D. ectoplasmic