Characteristics exhibited by continuously varying traits include ________
A) a 9:3:3:1 ratio
B) sex-linked genes only
C) 3:1 and 1:1 ratios
D) autosomal genes only
E) quantification by measuring, weighing, counting, etc.
E
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The major divisions of the peripheral nervous system
are the a. somatic and autonomic systems. b. sympathetic and parasympathetic systems. c. peripheral and central systems. d. afferent and autonomic systems. e. cranial and skeletal nerves.
The alkylating agent nitrosoguanidine adds methyl groups to nucleotide bases and is repaired by which enzyme that removes the added methyl group and restores nucleotides to their normal form?
What will be an ideal response?
Gap genes of Drosophila embryos:a
organize the embryo into broad regions and influence the activity of pair-rule genes. b. are missing from the chromosomes of mutant flies. c. are genes that have moved to gaps on other chromosome during meiosis. d. cause gaps in the cell cycle. e. cause the death of embryos before they hatch.
Which hormone promotes cell elongation by changing plant cell walls so they can expand due to the force of turgor
pressure? a. abscisic acid b. auxin c. cytokinin d. ethylene
e. gibberellin