Which of the following has no effect on hemoglobin's oxygen affinity?
select one:
a. norepinephrineb.
b. hypoventillating
c. rbc density
d. tsh
e. fever

carbon

explanation:

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.

yes, because even though a theory has a  lot of evidence to support it, it is not always true