Sturtevant Provided Genetic Evidence for the Existence of Four Pairs

question 6

Multiple Choice

Sturtevant provided genetic evidence for the existence of four pairs of chromosomes in Drosophila in which of the following ways?

• A) There are four major functional classes of genes in Drosophila.
• B) Drosophila genes cluster into four distinct groups of linked genes.
• C) The overall number of genes in Drosophila is a multiple of four.
• D) The entire Drosophila genome has approximately 400 map units.
• E) Drosophila genes have, on average, four different alleles.

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Definitions:

Large Molecules

Large molecules, often referred to as macromolecules, include proteins, nucleic acids, carbohydrates, and lipids, essential for various structural, functional, and regulatory roles in organisms.

Concentration Differences

Variations in the amount of solutes present in different areas, leading to diffusion or osmosis.

Inside Cell

Refers to the internal environment of a cell, including its cytoplasm, organelles, and other components enclosed by the cell membrane.

Sodium-Potassium Pump

A membrane-bound enzyme complex that exchanges sodium ions out of and potassium ions into a cell, crucial for maintaining cellular homeostasis.