The F2 phenotypic ratio of a monohybrid cross is

a. 1:1.
b. 2:1.
c. 9:3:3:1.
d. 1:2:1.
e. 3:1.


E

Biology & Microbiology

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When chemoreceptors detect a slight decrease in pH, this means that __________ concentrations have

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__________ behavior is altered by experience.

Fill in the blank(s) with the appropriate word(s).

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The endosymbiont theory is support by several lines of evidence one of which is ________

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Biology & Microbiology