A child more strongly resembles the maternal grandmother than the maternal grandfather. One explanation could be due to random chromosome alignment during which stage of the mother's gamete formation?
a. prophase I
b. metaphase I
c. telophase I
d. metaphase II
e. anaphase II
b
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Inflammation of the larynx that is usually associated with the common cold or influenza syndromes and that is caused almost exclusively by viruses is:
a. laryngitis. b. laryngotracheobronchitis. c. epiglottitis. d. Vincent angina.
In a nucleotide of DNA, which carbon of the deoxyribose sugar binds to the base?
A) 1' B) 2' C) 3' D) 4' E) 5'
Which of the following is true about pasteurization?
a. the technique was invented by Alexander Flemming b. it dramatically affects the color, texture, and taste of foods c. moderately high temp is applied, long enough to kill coxiella burnetii d. food is heated for a very long time to kill microbes
Induced pluripotent stem (iPS) cells ______________________
(a) are created by the expression of a set of key genes in cells derived from adult tissues so that these cells can differentiate into a variety of cell types. (b) require a supply of donor egg cells, such as embryonic stem cells. (c) can differentiate into a greater variety of adult tissues than embryonic stem cells. (d) are created by nuclear transplantation.