Which of the following are prosimians?
a. lemurs
b. howler monkeys
c. gibbons
d. chimpanzees
a. lemurs
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The bicoid gene has what pattern of inheritance?
A. sex-linked B. incomplete penetrance C. maternal inheritance D. autosomal
The endosperm of an angiosperm seed is typically:a
haploid (1n). b. diploid (2n). c. triploid (3n). d. quadraploid (4n). e. pentaploid (5n
In plants, ammonium is often converted to nitrate before it can be used by the plant. This process is known as
A) nitrogen fixation. B) photosynthesis. C) decarboxylation. D) nitrification. E) denitrification.
Which of the following occurs in all species of living organisms and may lead to an increase in genetic variation?
(A) Mutations in the genome (B) Crossing-over in meiosis (C) Random assortment of chromosomes (D) Alternative splicing of mRNA