Day 10 SURVIVOR Warm Up

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1

Other Answer Choices:

Most recent common ancestor of Aeshnidae and Cordulidae

Common ancestor of all lineage of dragonflies pictures

Most recent common ancestor of Macromildae and Cordulidae

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Happens by chance (random events like natural disasters or small population size)
Usually increases genetic variation by introducing new alleles
Happens by movement of individuals or gametes between populations
Affects small populations more strongly
Usually reduces genetic variation within a population

Genetic Drift

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3

Complete the passage with the correct terminology: 

Bacteria can become antibiotic resistant through __________. When you take antibiotics, the medicine kills most of the bacteria, but some bacteria might have random mutations that make them stronger and able to survive. These __________bacteria live on and start to reproduce, passing their resistance to their offspring. Over time, more of the bacteria in the population become resistant, making the antibiotic __________ effective. This is why it's important to finish all your antibiotics — stopping too soon could leave behind the strongest bacteria, making infections harder to treat in the future.

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How does independent assortment affect genetic variation?

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What is the role of crossing-over in meiosis?

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1

Day 10 SURVIVOR Warm Up

How does independent assortment affect genetic variation?

What is the role of crossing-over in meiosis?

Why is diversity important in sexually reproducing populations?

How does independent assortment affect genetic variation?

What is the role of crossing-over in meiosis?

Why is diversity important in sexually reproducing populations?