Which of the following occurs during recombination?
a. Homologous chromosomes exchange linear segments of genetic material.
b. One gene interferes with the expression of another gene.
c. Identical alleles are expressed simultaneously in a heterozygote.
d. The gene order of homologous chromosomes is significantly altered.
a. Homologous chromosomes exchange linear segments of genetic material.
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The ability to extend a leg originates from:
a. contraction of ligaments b. contraction of tendons c. contraction of a muscle d. lengthening of a muscle e. relaxation of a synovial joint
The cochlea is a coiled structure with fluid-filled ducts that transmit pressure waves that make the _______membrane on its lower wall vibrate.
Fill in the blank(s) with the appropriate word(s).
A species of tree produces clusters of dense, fleshy red berries. The seeds of this tree are most likely dispersed by _____
Fill in the blank(s) with the appropriate word(s).