Scientists Recognize a Species on What Criterion(a)

question 55

Multiple Choice

Scientists recognize a species on what criterion(a) ?

• A)Although individuals within a given species may have variable phenotypes,the individuals within most species usually have similar phenotypes
• B)There is similarity of genotype within a species and identifiable differences from members of other species
• C)Members of a species can interbreed,but typically do not breed with other species
• D)Members of related species have a most recent common ancestor
• E)All of the choices are used in a general sense to distinguish species

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Definitions:

Day

The period of 24 hours from one midnight to the next, or the part of this period when it is light and which is distinguished from night.

SRY Gene

A gene on the Y chromosome responsible for initiating male sex determination in humans and most other mammals.

Master Gene

Gene encoding a product that affects the expression of many other genes.

Lactose

A disaccharide sugar composed of glucose and galactose, commonly found in milk and dairy products.