Answer:
Test a known bloodstain as a positive control and a blank (filter paper) as a negative control (see interpretation of results to determine a positive and negative result).
We breathe in air, not straight oxygen. Attached is a pie chart showing roughly what percentage of what is in the air we breathe
<em>Answer:</em>
<em>Only individuals with an aa genotype will express a recessive trait; therefore, offspring must receive one recessive allele from each parent to exhibit a recessive trait. One example of a recessive inherited trait is a smooth chin, as opposed to a dominant cleft chin.
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Their are both different substances
I don’t know f I am correct but I think it’s C...
