Which of the following parts of the female reproductive system is not present in pairs?
A. oviduct
B. uterine tube
C. ovary
D. uterus
E. fimbriae
Answer: D
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To use a backcross mating strategy for QTL mapping
A. two inbred parental strains that differ in a quantitative trait are crossed are mated B. the F1 offspring are crossed with each other. C. the F2 offspring must contain chromosomes that are recombinant betweeen the markers and the genes involved in the trait D. each parent should contain the same alleles at each QTL.
Numerous Xenopus cells were exposed to various amounts of ultraviolet light. Some of the resulting cells were observed to lack nucleoli. As a result, one would expect that the cell could not
A) perform cellular respiration. B) replicate its DNA. C) perform photosynthesis. D) synthesize rRNA. E) none of the above
Four of the five organisms listed below belong to the same monophyletic group.
a. Amoeba proteus b. euglenoids c. plasmodial slime molds d. cellular slime molds e. Entamoeba histolytica
What are MARs and how can they be experimentally identified?
What will be an ideal response?