You Have Isolated DNA from Cells in Different Stages of Meiosis

question 74

Multiple Choice

You have isolated DNA from cells in different stages of meiosis within one species.You have determined the relative DNA content for each type,and plotted the results on the graph shown below.Refer to the graph to answer the following questions.

-Imagine that there are twenty-five different species of protists living in a tide pool.Some of these species reproduce both sexually and asexually,and some of them can reproduce only asexually.The pool gradually becomes infested with disease-causing viruses and bacteria.Which species are more likely to thrive in the changing environment?

• A)the sexually reproducing species
• B)the asexually reproducing species
• C)Sexually and asexually reproducing species are equally likely to thrive.
• D)the species with the higher mutation rate
• E)the species that can form multinucleated cells

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Definitions:

Nomothetic

An approach focusing on establishing general laws and principles through experiments and studies, applicable to the wider population.

Idiographic

An approach focusing on the individual, emphasizing personal, unique features and differences rather than generalizing across a population.

Theoretical

Based on or using the ideas and abstract principles underlying a subject, rather than its practical aspects.

Medical Animal Research

The use of animals in scientific studies aimed at understanding health and disease processes, as well as testing the safety and efficacy of medical treatments.