EVERYDAY SCIENCE

SCIENCE

GENETIC AND MENDELS LAW OF HEREDITY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
alleles
A
the allele combination of an organism
B
different forms of genes
C
alleles for traits are the same
D
factors that determine traits
Explanation: 

Detailed explanation-1: -An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.

Detailed explanation-2: -Gene is defined as a section of DNA that encodes for a certain trait. An allele is defined as a variant form of a gene. It determines an organism’s genotype. It determines an organism’s phenotype.

Detailed explanation-3: -Dominant: The allele which shows its full expression in a population. Recessive: The allele which is unable to show its full expression or expresses very less in a population.

Detailed explanation-4: -Complementary Genes. Supplementary Genes. Duplicate Genes. Polymeric Genes. Sex-linked Genes.

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