During prophase I, each chiasma represents:a
the remnants of the nuclear membrane.
b. the remnant of the nucleolus.
c. a newly formed haploid gamete.
d. a site of crossing-over.
e. the site where sister chromatids are connected
D
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A(n) ________ is a piece of DNA with all of the features necessary for chromosomal replication and which can carry large (up to 1000 kb) pieces of foreign DNA into a host organism.
What will be an ideal response?
Of the clinically significant Bartonella species, which is transmitted via a fleabite with the reservoir being rats?
a. B. bacilliformis b. B. henselae c. B. elizabethae d. B. clarridgeiae
If a restriction endonuclease cuts a linear DNA three times, how many fragments should there be after
the DNA is subjected to electrophoresis through an agarose gel?
a. 1 b. 2 c. 3 d. 4 e. 5
Elephants belong to the order
A. Carnivora. B. Proboscidea. C. Artiodactyla. D. Cetacea. E. Edentata.