Answer:
b. x chromosome inactivation
Explanation:
As you know, female cats have an x chromosome inherited from their mother and an x chromosome inherited from their father. After these two chromosomes are inherited and determine the sex of the cat, one of them will be disabled at some point in fetal development. Inside the X chromosome is the gene that determines the coat color of cats, when one of the two x chromosomes is deactivated, the other x chromosome will have all of its cells activated. In this case, if the activated chromosome is the one that has genes for the "cheetah" pattern of the coat color, all the descendants of this female cat also have the same coat.
Answer:
Its A i had hos question in usatestprep
Explanation:
In my opinion the answer would be A.
Second thoughts:
I don't think doing anything in the future will be of use, because we should have already done it, and we didn't, so we have to do it now.
And what we should do is:
To find and actually use and apply new energy sources.
To do more (or less, depending on what the problem is).
To clean the mess we have done / recover the gap in the ozone layer /fix the damage that we have caused.
If you're interested:
I don't think protesting (like we're currently doing) will be of help for two simple reasons:
1. - I don't know for sure, but I don't think politicians care, like or pay attention to protests (unless it's something like the Yellow Jackets).
2. - The time we spend protesting is more valuable than we think. We should leave that aside.
Hope it helped,
BiologiaMagister
