Answer:
D
all other answers are true
Because it's implied, recessive phenotypes have to be homozygous otherwise the recessive allele does not express as phenotype.
<u>Answer:</u>
<em>8.4 ml of water is needed to make a 10 ml of a 2x concentration.</em>
<u>Explanation:</u>
<em>From question,</em>
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<em></em>
<em></em>
<em></em>
<em>This gives </em>
<em>V1 is the available volume of water in the stock solution. </em>
To obtain 10ml of 2x concentration, the volume of water required is: of water.
<em>Hence 8.4 ml of water is needed to make a 10 ml of a 2x concentration.</em>
The most important part of an experiment would be; identifying and controlling variables.
In order to set up an experiment, you need to test the specimen(s) with and without a curtain variable. That is what makes an experiment a test.