Explain how a recessive trait can be the most frequent phenotype in a population

What will be an ideal response?


The population's environment can drive directional selection, which could favor the organisms expressing the recessive trait while removing the dominant phenotype from the gene pool.

Biology & Microbiology

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We study cellular respiration because it is one of the most important pathways in biology. In fact, nearly all

carbohydrates at some point in their catabolism are directed through cellular respiration. Why is it unnecessary to have multiple independent pathways to break down different molecules?

a. Using cellular respiration is theoretically the most efficient way to break down sugars and other molecules. b. Oxygen must be used in the breakdown of all molecules in order to yield ATP. c. Greater complexity would lead to an eventual failure of the biological system. d. Most biological cells only catabolize one or two different types of sugars and only need one main pathway. e. Energy-containing macromolecules can be converted to products that can enter at various points in the cellular respiration pathway.

Biology & Microbiology

Genes that are exchanged between prokaryotes

are contained in

a. pili. b. plasmids. c. prokaryote RNA. d. the nucleus. e. capsules

Biology & Microbiology

The ________ equation accounts for the movement of a single ion type, while the ________ equation takes into account the movement of multiple ions on membrane potential

Fill in the blank with correct word.

Biology & Microbiology

Ovulation occurs due to a surge in ________ concentrations

A) FSH B) progesterone C) testosterone D) estrogen E) LH

Biology & Microbiology