Urm,Is that a question or what,I'm confused.
Answer:
Sexual reproduction in plant waste energy and pollen grains because the size of pollen grains is very small and in sexual reproduction there is less chances of reaching the pollen grains to the stigma of the flower. So that's why more pollen grains will fall on the stigma of the flower in order to fertilize the ovary. For fertilization, few pollen grains are enough if reach on the stigma.
Answer: All known living organisms use the same genetic code.
Explanation: The genetic code is unambiguous. Each codon codes for just one amino acid (or start or stop). Credit libretexts.org.
Answer:
I think it is Meiosis
Explanation:
In meiosis, 4 or more combinations of the genes are created. This can be graphed using a punnet square.
