What are genes?

Genes are the information written in the human hereditary material (DNA) and are of utmost importance for the growth and development of an individual. They located in 23 pairs of human chromosomes. Chromosomes appear in pairs; one comes from the mother and the other one from the father. Thus, every person has two copies of a gene. One copy is called an allele. The two alleles can be identical or different.

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2010: 04/21
CATEGORY: Genetic facts
TAGS: 23
allele
chromosomes
DNA
genes
human hereditary material
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What are genes?

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