A couple has a baby that is monosomic for the X chromosome. This most likely occurred during meiosis because:
A. there was nondisjunction of the sister
chromatids.
B. there was an inversion in the X
chromosome and crossover occurred.
C. there was a duplication in the X
chromosome and crossover occurred.
D. there was translocation of another
chromosome onto the X chromosome.
E. either there was an inversion in the X
chromosome or there was a duplication in the
X chromosome and crossover occurred.
A
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a. 16 b. 24 c. 32 d. 64
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a. new nuclear envelopes form b. chromosome clusters arrive at spindle poles c. haploid daughter cells result d. chromosomes decondense
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A. carrier B. vector C. reservoir D. fomite
Refer to Figure 31-1. Which of the following structures are feeding polyps?
A. 1. B. 4. C. 6. D. 7. E. 9.