Genetic recombination as a result of crossing over occurs more readily in genes that
a. are on the sex chromosomes.
b. are on the autosomes.
c. are located close together on the same chromosome.
d. are located farther apart on the same chromosome.
e. are located on different chromosomes.
D
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Which of the following statements is FALSE?
A) When plant cells are growing, they release expansins, which are enzymes that can expand the primary cell wall. B) The secondary cell wall often contains structural components, like lignin, that form a relatively rigid and complex network within the cell wall. C) A plant cell continues growing after the secondary cell wall forms but stops growing with the formation of the tertiary cell wall. D) Pectin is a component of the cell wall that attracts and holds water.
The tetrahedron shape of a methane molecule is the result of orbital hybridization
__________________ Indicate whether the statement is true or false.
In nonrandom mating, each individual in a population has an equal chance of mating with any individual of the
opposite sex. _________ Indicate whether the statement is true or false.
All woody plants are:a
annuals. b. biennials. c. perennials. d. deciduous. e. evergreen