Why do you think it was important to have all experiments start with guppies from both stocking tanks rather than just one of the stocking tanks?
a. Stocking from both tanks is the only way to ensure enough guppies were presentfor robust data analysis
b. Because selection can only operate on alleles that are present in the population,using guppies from both stocking tanks ensured that the full range of alleles inthe natural population were also present in the experimental tank.
c. It was not important to have all experiment start with guppies from both stockingtanks.
b
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The process by which pollen is transferred to the ovule is called
(a) transmigration. (b) fertilization. (c) pollination. (d) all of the above.
When X-linked traits are recessive, females will express the traits only if they are ____ for the recessive allele
Fill in the blank with the appropriate word.
Which of the following types of physical mutagens produces thymine dimer mutations?
A. ultraviolet light B. X-rays C. microwave D. gamma rays E. ionizing radiation
Proteomics is made complicated by the fact that:a
gene therapy is in its infancy. b. DNA sequencing requires powerful computers. c. the response to a drug varies with the individual. d. certain genes encode several different proteins. e. cells of different tissues contain the same kinds of proteins.