Which factor in an experiment can be manipulated?
A) bias
B) control
C) placebo
D) variable
D
Biology & Microbiology
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What is true for both male and female gametogenesis?
_____ Gametes are produced by meiosis. _____ Gametes develop in the gonads. _____ Primary cells are haploid. _____ Each primary cell results in four gametes.
Biology & Microbiology
This type of selection favors both extremes of the phenotype spectrum within a population
a. directional b. stabilizing c. disruptive d. natural e. neutral
Biology & Microbiology
The organ of Corti is a
a. chemoreceptor. b. mechanoreceptor. c. photoreceptor. d. nociceptor. e. osmoreceptor
Biology & Microbiology
Which of the following is a sex-linked recessive condition?
A) Albinism B) Down syndrome C) Cystic fibrosis D) Sickle-cell anemia E) Hemophilia
Biology & Microbiology