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12 December, 12:22

What is heredity?

What are genes?

What is an allele?

What is the difference between phenotype and genotype?

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Answers (2)
  1. 12 December, 12:31
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    Heredity: The passing on of physical or mental characteristics genetically from one generation to another.

    Genes: In biology, a gene is a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. During gene expression, the DNA is first copied into RNA. The RNA can be directly functional or be the intermediate template for a protein that performs a function.

    Allele: An allele is a variant form of a given gene, meaning it is one of two or more versions of a known mutation at the same place on a chromosome. It can also refer to different sequence variations for a several-hundred base-pair or more region of the genome that codes for a protein.

    Difference: The two terms are often used at the same time to describe the same organism, but there is a difference between genotype and phenotype:An organism's genotype is the set of genes in its DNA responsible for a particular trait. An organism's phenotype is the physical expression of those genes.
  2. 12 December, 14:14
    0
    heredity = the passing on of physical or mental characteristics genetically from one generation to another.

    genes = a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring

    allele = one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.

    phenotype vs genotype = An organism's genotype is the set of genes in its DNA responsible for a particular trait. An organism's phenotype is the physical expression of those genes

    Explanation:

    remember phenotype = physical display of those properties
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