What are 5 examples of genotype?

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what are 5 examples of genotype?

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What are 5 examples of genotype?

Answer:
Genotype refers to the genetic makeup of an individual, representing the specific combination of alleles present in an organism’s DNA. Here are five examples of genotype:

  1. Homozygous Dominant Genotype (BB): In this genotype, both alleles for a particular gene are the same and dominant. For example, if both alleles for eye color are “B” (brown dominant), the genotype would be “BB.”

  2. Heterozygous Genotype (Tt): This genotype consists of two different alleles for a particular gene, where one is dominant and the other is recessive. For instance, in the genotype “Tt” for tongue rolling, “T” denotes the dominant allele for the ability to roll the tongue, while “t” represents the recessive allele for the inability to roll the tongue.

  3. Homozygous Recessive Genotype (aa): This genotype contains two copies of the recessive allele. For example, if both alleles for freckles are “a” (recessive), the genotype would be “aa.”

  4. Incomplete Dominance Genotype (RW): This genotype involves a blending of traits where neither allele is completely dominant over the other. An example would be the “RW” genotype for flower color, where “R” represents the red allele and “W” represents the white allele, resulting in pink flowers.

  5. Codominance Genotype (IBi): In this genotype, both alleles are expressed fully in the phenotype. For instance, in the ABO blood group system, the genotype “IBi” would result in the AB blood type, where both “A” and “B” alleles are expressed.