NEET BIOLOGY

GENETICS AND EVOLUTION

GENETIC BASIS OF INHERITANCE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Having two different alleles for a particular gene
A
Fertilization
B
Heterozygous
C
Segregation
D
Homozygous
Explanation: 

Detailed explanation-1: -The presence of two different alleles at a particular gene locus. A heterozygous genotype may include one normal allele and one mutated allele or two different mutated alleles (compound heterozygote).

Detailed explanation-2: -An organism with two different alleles for a specific trait is called heterozygous or hybrid. For example, if T is the dominant allele for a tall tea plant and t represents the allele for a short pea plant, then an organism with the Tt allele combination is heterozygous and will form a tall plea plant.

Detailed explanation-3: -Heterozygous refers to having different alleles for a particular trait. If the two versions are different, you have a heterozygous genotype for that gene.

Detailed explanation-4: -A hybrid organism is one that is heterozygous, which means that is carries two different alleles at a particular genetic position, or locus. Therefore, a dihybrid organism is one that is heterozygous at two different genetic loci.

Detailed explanation-5: -An individual that contains two different alleles of a gene is heterozygous.

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