Justin has type A blood and his wife Brittany has type B blood. Justin's parents both have type AB blood, and Brittany's parents also both have type AB blood. What are the chances that Justin and Brittany's son Theodore has type A blood?
A) 100%
B) 75%
C) 25%
D) 0%
Answer: D
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A. peroxisomes. B. plastids. C. lysosomes. D. liposomes. E. vacuoles.
Which of the following is true of
deuterostomes? a. The first opening into the embryo becomes the anus. b. The first opening into the embryo becomes the mouth. c. The second opening into the embryo becomes the anus. d. The second opening into the embryo becomes the mouth. e. The first opening into the embryo becomes the anus and the second opening into the embryo becomes the mouth
Cells were first discovered in the
__________century. a. 14th b. 15th c. 16th d. 17th e. 18th
Candidate open reading frames of a genome are identified by searching for
A) a start codon "in frame" with a stop codon. B) a start codon. C) introns and exons. D) a promoter. E) All of these