You Have Isolated DNA from Three Different Cell Types of an Organism

question 60

Multiple Choice

You have isolated DNA from three different cell types of an organism, determined the relative DNA content for each type, and plotted the results on the graph shown in Figure 13.3. Refer to the graph to answer the following
questions.

-A tetrad includes which of the following sets of DNA strands?

• A)Two single-stranded chromosomes that have synapsed
• B)Two sets of sister chromatids that have synapsed
• C)Four sets of sister chromatids
• D)Four sets of unique chromosomes
• E)Eight sets of sister chromatids

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Definitions:

Conditioned Response

A learned reaction to a specific stimulus as a result of conditioning, demonstrated in Pavlov's experiments with dogs.

Tone

The quality or character of sound, or in literature, the author's attitude towards the subject or audience.

Blinking

The rapid closing and opening of the eyelid, a reflex that helps to protect the eye from irritants and distribute tear fluid.

Conditioned Stimulus

An initially neutral signal that, upon being linked with an unconditioned stimulus, ultimately incites a learned response.