What is Genotype _ It’s Meaning and Definition A set of alleles that determines the expression.

What is Genotype _ It’s Meaning and Definition A set of alleles that determines the expression.

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 What is Genotype? – Meaning & Definition

 Definition of Genotype:
A genotype is the genetic makeup of an organism, represented by a set of alleles that determine specific traits. It refers to the combination of genes inherited from both parents.

 Simple Meaning:
A genotype is the collection of genes (DNA code) inside an organism that influences how traits (like eye color, height, or disease resistance) are expressed.

 Key Points About Genotype:

Made up of Alleles – Genes exist in different forms called alleles (e.g., dominant & recessive).
Determines Physical & Biological Traits – Though the phenotype (observable traits) results from both genotype & environment.
Expressed as Letters – Example: BB, Bb, or bb for eye color (where B = brown, b = blue).

 Example of Genotypes:

BB – Homozygous Dominant (Brown eyes)
Bb – Heterozygous (Brown eyes, but carrying blue allele)
bb – Homozygous Recessive (Blue eyes)

 Difference Between Genotype & Phenotype

 Importance of Genotype in Science & Medicine

Used in Genetics & Heredity Studies
Helps in Disease Prediction (Genetic Disorders like Sickle Cell Anemia, Cystic Fibrosis)
Key in Biotechnology & Genetic Engineering

Would you like more details on dominant & recessive traits, or how genotypes impact health?