Alleles conferring red plumage to male cardinals are common because red plumage
A. is helpful in attracting prey.
B. makes males less susceptible to predation.
C. is an example of genetic drift.
D. is preferred by female cardinals in choosing a mate.
E. allows male cardinals to easily identify each other.
D. is preferred by female cardinals in choosing a mate.
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Any heritable change in the genetic material is a ____
Fill in the blank with the appropriate word.
Recall that cultivated bananas are often at greater risk of bacterial or fungal infection compared to their wild counterparts. Why? Select all correct choices
A. Cultivated bananas reproduce asexually. B. Cultivated bananas reproduce sexually. C. Ample genetic diversity exists in cultivated bananas. D. Genetic diversity is limited in cultivated bananas.
The central dogma of genetics probably developed as a series of steps through evolution, so that the flow of information now generally proceeds DNA —> RNA —> protein.
a. true b. false
________________ increases the ability of the kidneys to produce a concentrated urine.
A. Anti-diuretic hormone (ADH) B. Aldosterone C. Atrial natriuretic hormone D. Angiotensin II