Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants produce blue flowers and others pink flowers. This can be best explained by which of the following?

A) the knowledge that multiple alleles are involved
B) the allele for blue hydrangea being completely dominant
C) the alleles being codominant
D) environmental factors such as soil pH


D

Biology & Microbiology

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Which of the following would be considered a carrier of a sex-linked recessive defect?

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Which region of the lac operon would you target if you want to disrupt the -10 and -35 consensus sequences?

A) lacZ B) lacY C) lacI D) lacP E) lacO

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Ctenophores feed on:

a. phytoplankton. b. benthic algae. c. planktonic animals. d. detritus. e. DOM.

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Meiosis in females is not complete until ________ occurs

Fill in the blank(s) with correct word

Biology & Microbiology