I'm pretty sure it's polyploidy
Answer:
fertilization is the process of fusion of gametes from two parents. gametes are produced as a result of meiosis in which crossing over and recombination produces new combinations of genes and sometimes mutations are also occur which also leads to development of unique characteristics.
this is the main reason that kids from same parents are genetically unique.
Explanation:
Answer:
7.false 8.commensalism 9.last one
Explanation:
Sometimes you mix different substances and you don't make new substances but mostly of the time you do make new substances , so the answer is chemical change.
