Answer:
yes
Explanation
People can definitely end up with both copies of one of their chromosomes coming from a single parent. In fact, it is common enough that geneticists have even given it a name, uniparental disomy
Because the hydrogen will also be combusted in the reactions, so in this case the answer will be:
CH4+2O2-CO2+2H2O
Answer
polydactylism
These kitties are born with an abnormal, dominant genetic mutation called polydactylism. While the polydactyl cat's appearance is quite unique, the polydactyl gene is somewhat common. Normally kittens are born with five toes on their front paws and four in the back.