The actual sites of recombination during prophase I of meiosis are called kinetochores
1.True
2.False
2
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Males with one copy of an X-linked gene are said to be ________ for that gene.
A) homozygous B) heteroallelic C) heterozygous D) hemizygous E) deficient
Darwin’s experiments on phototropism illustrated that
a. plant stems bend away from bright lights. b. signals from plant roots control phototropism. c. an opaque cap placed over a shoot tip will cause a plant to bend toward light, but will inhibit growth. d. a translucent cap placed over a shoot tip will cause a plant to bend toward light, but will inhibit growth. e. a translucent cap placed over a shoot tip will cause a plant to both grow and bend toward light.
Most land animals have _____ fertilization
a. internal b. external
Bacteria of the Proteobacteria that are intracellular parasites are members of the
A) alphaproteobacteria. B) betaproteobacteria. C) gammaproteobacteria D) alphaproteobacteria and betaproteobactria. E) alphaproteobacteria and gammaproteobacteria.