I think DeniceSandidge. DNA is made up of molecules known as nucleotide, which are the building block s of nucleic acid. Each nucleotide compose of pentose sugar, phosphate group and four nitrogenous base. The four types of nitrogenous bases found in nucleotide are adenine, guanine, thymine and cytosine hope this helps pls thank me
23. When the sperm cell then meets the egg, the 23 chromosomes that each sex cell have form the 46 total chromosomes that each human being has.
Answer:
the answer would be chromosomes.
Explanation:
A chromosome contains hundreds to thousands of genes.
Not a specific genetic sequence, some doctors and scientists believe it could be hereditary and others do not believe it is genetic but instead develops due to psychological and environmental factors. Look up the rat park study.
