Which genetic disorder is the result of a deletion of a section of an individual's chromosome?
A) Williams syndrome
B) Klinefelter syndrome
C) Down syndrome
D) Turner syndrome
E) None of the answer choices is the result of a deletion of a section of an individual's chromosome.
Ans: A) Williams syndrome
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Cheetahs have been through a genetic bottleneck; evidence for this is that
A. the body is long, thin, and graceful. B. these cats are members of an endangered species. C. there is very little genetic variability. D. little natural selection occurs in this species. E. they originally came from small areas of Africa.
Dynein is a molecular motor that:
a. Moves cargo to the plasma membrane b. Moves cargo to the actin filaments c. Moves cargo to the centrosome d. Acts as an actin filament e. None of the above
Which of the following statements concerning
fertilization in ferns is true? a. It occurs outside the egg-producing structure. b. It requires water. c. The fertilization product is haploid. d. A spore is the product of fertilization. e. None of these are true.
The three types of RNA involved in protein synthesis are mRNA, ________, and ________.
What will be an ideal response?