<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>
Answer:
lactic acid from anaerobic respiration
Explanation:
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b)be multicellular
Differentiation of cell is the process by which cell becomes spesialized in order to perform different functions))
The eons that make up 90% of Earth's history are the Precambrian eons, which consists of Hadean, Archean, and Proterozoic eons.
Things such as coal and oil are limited because they are only found in some places