The human body requires seven major<span> types of nutrients. Not all nutrients provide energy but are still </span>important<span>, such as water and fiber. Micronutrients are </span>important<span>but required in smaller amounts. Vitamins are essential organic compounds that the human body cannot synthesize.</span>
It assist organism in releasing carbon dioxide
<span>Alleles are two different forms of single gene that are located in specific position on a specific chromosome. It can be classified into two allele pairs: homozygous and heterozygous. In homozygous, both alleles are the same whether they are both dominant or recessive; while in heterozygous, one allele is dominant and the other is recessive.</span>
