2 years ago

Why were physical activity and caffeine and alcohol intake the controlled variables?

1 answer:

4 0

<span>Controlled variable is a variable that was made constant in the research. That was because the controlled variables can influence the dependent or independent variable. If the variables is not made constant, it can alter the research result and made it invalid.

In this case, </span>the caffeine and alcohol intake might alter the physical activity or the blood glucose so it should be controlled.

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Assuming no genetic recombination, how many genetically distinct types of gametes can a single human being make?

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Explanation:

Each chromosome represents a twin.like pairs of socks.

This is an analogous problem: you have 2 pairs of socks, one white, one black. Each of the sock is tailored to a specic foot, right or left. How many different ways can the socks be mixed and matched , one for each foot?

Here are the possibilities : left = black, right = black is one such match. Left = white, right = black is another.

so also we will have 23 chromosome pairs

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I think the answer you are looking for is peer review.

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Explanation:

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Explanation:

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