As you see on the table, there are 3 ways the offspring can get the dominant trait. RR, Rr, and rR (order was switched for clarification). There are 4 total outcomes. In this case, the problem can just be treated as a probability question.
3 out of 4, or 3/4 * 50 is 37.5, which can be rounded to D. 38.
Answer:
They test or measure something.
Explanation:
Primary research articles report on research that has been completed. Therefore, a primary research article will review and analyze studies, and will state the research question and hypotheses of the studies presented. A primary research article does not test or measure anything, but will report on studies that do.
A threadlike strucure of nucleic acid
Explanation:
The main sequence is a continuous and distinctive band of stars that appears on plots of stellar color versus brightness.