NEET BIOLOGY

GENETICS AND EVOLUTION

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An organism’s combination of alleles for a particular trait is called its
A
genetic code.
B
gene frequency.
C
genotype.
D
phenotype.
Explanation: 

Detailed explanation-1: -Within an individual organism, the specific combination of alleles for a gene is known as the genotype of the organism, and (as mentioned above) the physical trait associated with that genotype is called the phenotype of the organism.

Detailed explanation-2: -A genotype is the combination of alleles for a particular trait, while a phenotype is the expression of those alleles. We can illustrate this difference using an example, such as the trait of blue or brown eyes.

Detailed explanation-3: -In a broad sense, the term “genotype” refers to the genetic makeup of an organism; in other words, it describes an organism’s complete set of genes. In a more narrow sense, the term can be used to refer to the alleles, or variant forms of a gene, that are carried by an organism.

Detailed explanation-4: -What is a Genotype? A genotype is the entire genetic constitution of an individual, i.e. the genetic makeup of an organism or group of organisms with reference to a single trait, set of traits, or an entire complex of traits.

Detailed explanation-5: -A person’s genotype is their unique sequence of DNA. More specifically, this term is used to refer to the two alleles a person has inherited for a particular gene. Phenotype is the detectable expression of this genotype – a patient’s clinical presentation.

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