The plant coleus has three distinct leaf color phenotypes: green, white, and variegated (white and green mixed) the crosses are made as follows:

female variegated leaves × male green leaves gives offspring with all variegated leaves
female green leaves × male with white leaves gives offspring with all green leaves
female with white leaves × male with variegated leaves gives offspring with all white leaves

This is an example of ________.

A) maternal effect
B) cytoplasmic inheritance
C) genomic imprinting
D) Mendelian inheritance
E) X-linked recessive disorder


Answer: B

Biology & Microbiology

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Indicate whether the statement is true or false.

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Diatoms tend to be grazed in temperate coastal waters by:

a. amphipods. b. dinoflagellates. c. copepods. d. lobsters. e. radiolarians

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Herpes and other enveloped viruses enter their host cells ____

a. through pores b. by dissolving the host plasma membrane c. by fusion of the viral membrane with the cell’s plasma membrane d. by activating transport proteins in the host cell's plasma membrane e. by engulfing the host cell

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Which of the following is a nonresource (or nonconsumable resource) that can influence the outcome of competition among plant species?

A) temperature B) light C) water D) nitrogen

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