Answer:
B. hair color
Explanation:
A physical trait generally means something you can see with the naked eye and discern what it is. Hair color is a physical trait, because you can tell what the person's general hair color is just by looking at it.
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<span>Aleksander Oparin.....</span>
In the event that people with the new phenotype are more fit than the dim or dark mice, the white allele may increment in recurrence in the populace. Dark mice will probably keep on being more typical than alternate phenotypes.
The phenotype is the shade of their hide and for this situation, the greater part of the posterity will have dark hide, since they are altogether half breed and dark hide is prevailing. The greater part of their posterity will convey the attribute for white hide, yet it won't appear on the other side.
Enzymes reduce the activation energy allowing chemical reactions to occur in living things.
The female body responds to a drop in the luteinizing hormone B. By preparing for the next cycle.
- The luteinizing hormone remains at lower levels most of the time during the menstrual cycle.
- It reaches the highest levels around the 14th day of the menstrual cycle. It helps in the formation of follicles with the help of estrogen.
- An increase in LH triggers the increase of progesterone level and helps in preparing of corpus luteum.
- After the formation of the corpus luteum and the release of follicles, the level of LH drops.
- When the level of LH further decreases, this triggers the shedding of the uterine lining as no pregnancy takes place.
Thus, the low levels of LH are an indication of
Learn more about the menstrual cycle here:
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