Answer: the carbon dioxide would increase
Explanation:
The amount of alleles that a baby Guinea pig inherit from the mother are two , 1 from its mother and 1 from its father ( The very reason why we use them as an experiment tester is because this similarities)
For Example, if its mother hat a dominant black fur (BB) and its father has recessive grey fur (bb) , there is 100% chance that the baby will has a Bb genotype, which will give them either black fur or dark grey fur.
Disposable thumbs, might be it... there are no other animals that really have fingers that can move move like humans. in not 100% sure tho
i hope this helped ❤❤