If a cell has 15% guanine, how much thymine would you expect to be in this cell? 15%
35%
85%
100%

35%

Explanation:

we know that all the guanine pairs with all the cytosine

that means there is also 15% cytosine

100-15-15=70%

this 70% represented by thymine and adenine

all the thymine paris with all the adenine

that means the number of thymine bases is equal to the number of adenine bases

70/2=35%thymine

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 we can.   a lady urinates from her urethra.