If all offspring of a cross have the genotype Aa, the parent of the cross would most likely be
Answer: AA x aa
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What is gross primary production?
A. The carbon fixed during photosynthesis. B. The carbon fixed after cellular respiration is accounted for. C. Energy released by primary consumers. D. Photosynthetic production plus energy recycled by detritivores.
Population growth the most rapid when the population size is
a. near zero b. half-way between zero and K c. near K
Who is a carrier of an X-linked trait?
a. homozygous dominant female b. heterozygous female c. homozygous recessive female d. homozygous male e. heterozygous male
Programmed cell death
a. timing is usually unpredictable. b. involves reception and transduction but not response. c. is regulated by control genes. d. is triggered in some cancers. e. operates only in animals.