A child has type O blood. Which of the following couples could be the child's parents?

Couple 1: Mother's Type -A, Father's Type -B
Couple 2: Mother's Type -O, Father's Type -A
Couple 3: Mother's Type -AB, Father's Type -O
Couple 4: Mother's Type -B, Father's Type -AB

A.
couple 1, 2, 3, or 4

B.
couple 3 or 4 only

C.
couple 1 or 2 only

D.
couple 2, 3, or 4 only

the answer is:

carbon dioxide

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )

thats not even an aswer choice

well first you need the sample of the temperature and gas level. i couldnt write a hypothesis unless i had some data. i think temperature changes will effect volumes of gas because gas changed into a solid or liquid at specific temperatures.