Answer: alleles
Explanation:
"An allele is a variant form of a gene. Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent of an organism."- Nature .com
The correct answer is A. Organisms pass on acquired traits to evolve into more advanced life forms. This is because of natural selection and the mantra, "the survival of the fittest".
Answer:
air
Explanation: without air you can cant even live
Answer:
All organic molecules are made up of carbon compounds so we can say that the main atom or molecule is carbon.
hope it helps!
