Respuesta :
Answer:
B. a segment of DNA that is the basic unit of heredity.
Explanation:
A gene is a segment of DNA that is the basic unit of heredity.
What is a gene?
A gene is a specific fragment of the DNA molecule, which is used as a template to create a protein by successive processes of transcription and translation.
- The variants or forms of a gene are called alleles, diploid individuals receive two alleles (one for the mother and another from the father).
- An individual is homo-zygous when he/she has the same alleles for a given gene locus, while an individual is heterozygous when he/she has different alleles for a gene locus.
In conclusion, a gene is a segment of DNA that is the basic unit of heredity.
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