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Genes are segments of DNA that are the basic unit of heredity. They are passed on from parent to offspring. The gene form of a trait is called a(n) . An organism’s allele combination is called the . The physical appearance of an organism is called the .

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Genes are segments of DNA that are the basic unit of heredity. They are passed on from parent to offspring.

The gene form of a trait is called a(n) allele.

An organism’s allele combination is called the genotype.

The physical appearance of an organism is called the phenotype.

The gene is the hereditary unit that is passed from one generation to another.

1. The gene form of a trait is called an allele.

2. An organism’s allele combination is called the genotype.

3. The physical appearance of an organism is called the phenotype.

Mendel used the word 'Factor' for genes. The gene is the hereditary unit that is passed from one generation to another.

  • An allele is a different form of the same gene.
  • Genotype is the DNA or allele combination that passed from parent to offspring. For example, Tt - heterozygous
  • The phenotype is the character that can be observed in the organism. For example, Eye Color

Therefore, The genotype is allelic combinations while phenotype is the observable traits.

To know more about phenotype, refer to the link:

https://brainly.com/question/19994520

 

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