A tall plant is crossed with a short plant, and the progeny are all intermediate in size between the two parental plants. This could be an example of
A) incomplete dominance.
B) polygenic inheritance.
C) complete dominance.
D) A and B
E) B and C
Answer: D) A and B
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Place these genes in their temporal order of expression from earliest to latest during Drosophila development.
A. Bicoid, Gap, Homeotic B. Homeotic, Gap, Bicoid C. Homeotic, Bicoid , Gap D. These genes are not expressed at different times during development. They are expressed at the same time, but in a different spatial order. E. Kruppel, gooseberry, even-skipped
In a theoretical population in Hardy-Weinberg equilibrium, 550 individuals have the AA genotype, 300 have Aa, and 150 have aa. For this population, p = ________
a. 0.9 b. 0.2 c. 0.5 d. 0.7
A cohort is
a. a group of individuals of the same species born during the same time interval. b. any member of the same species. c. a group of individuals with the same parents. d. a group of individuals of the same sex. e. any group of closely related individuals
Osmosis requires a ________ membrane that is ________ to solute molecules and permeable to water molecules
Fill in the blank with correct word.