The chance of producing an offspring of genotype Aa Bb cc from a cross of Aa BB Cc with Aa BB Cc
is
a. 1/32.
b. 1/16.
c. 3/32.
d. 1/8.
e. none (no chance of this offspring)
E
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Crossing over in prophase I and ________ in metaphase I increase the genetic variation from one generation to another
Fill in the blank(s) with correct word
Besides the atmosphere, abiotic reservoirs of carbon dioxide include ________
A) fossil fuels and dissolved carbon compounds in the oceans B) rocks and dissolved carbon compounds in the oceans C) fossil fuels only D) rocks only
Crossing-over occurs between
a. sister chromatids of the same chromosome. b. chromatids of nonhomologous chromosomes. c. nonsister chromatids of a homologous pair. d. None of these are correct.
Salmonella typhi
A. multiplies within phagocytes. B. is not a coliform. C. can be treated with antimicrobics. D. causes invasive infection of the small intestine. E. All of the choices are correct.