All of the following statements are TRUE about orthologous genes except __________
a. Orthologs are genes that are homologous due to speciation.
b. The principle of parsimony can be used in comparing the organization of orthologs.
c. The insulin genes in mammals and birds are orthologs.
d. The organization of orthologous genes shows only minor discrepancies between
species.
e. None of the above
Ans: d
You might also like to view...
Water's pH is considered neutral when:
a. hydrogen can be bound. b. hydrogen can be released. c. water is slightly alkaline. d. hydrogen and hydroxide ions are equal in number.
The root apical meristem is surrounded and protected by a structure called the
a. endodermis. b. root cap. c. quiescent center. d. pericycle. e. root hairs.
Select the endocrine gland whose secretory function is under direct control of the sympathetic preganglionic
neuron.
a. pancreas b. thyroid c. adrenal medulla d. adrenal cortex e. posterior pituitary
The fluid that surrounds all the cells of the body is called interstitial fluid.
a. true b. false