er:
Explanation:
In the lungs CO2 is removed from the blood and send out the body where we exhale
How much energy does it take a bee to fly for 10 seconds
You can tell it's not a dominant trait because it would show in all the grandchildren.
Recessive
#12 is heterozygous
An hypothesis is a possible explanation for a set of observations or answer to a scientific question. A supposition or proposed explanation made on the
basis of limited evidence as a starting point for further
investigation.
And practically, an hypothesis is used as the basis for further experiments, where the hypothesis is rigorously tested under varying conditions. The hypothesis that is tested and modified under different conditions may become a general
theory
.The hypothesis that has the least number of variables sufficient to explain the phenomenon is preferred.