by admin | Aug 9, 2020 | Genetics
The process by which the sex of a person is determined is called sex determination. The sex of a person is determined by sex chromosomes. The sex chromosomes in human beings are present in 23 pair. Both the sexes either male or female contain 23 pairs of chromosomes....
by admin | Aug 9, 2020 | Genetics
Genotype Genotype is the particular set of genes present in an organism’s cell. In other words, the genotype is the genetic constitution of an organism. Phenotype All the observable characteristics of an organism, such as shape, size, colour and behaviour are called...
by admin | Aug 9, 2020 | Genetics
Gene is the hereditary unit which is responsible for the inheritance of characters from one generation to other. Actually gene is a part of DNA and is made up of nucleotides. The term gene was first of all coined by scientist Johanssen in 1909. Genes are responsible...
by admin | Aug 8, 2020 | Genetics
The organisms can be classified into two types depending on the fact that whether their nucleus is enclosed by a nuclear membrane or not. These two types are Prokaryotes The organism in which nucleus is not bound by nuclear membrane are called prokaryotes e.g....
by admin | Aug 8, 2020 | Genetics
Any variation in number of chromosomes (increase or decrease in the number of chromosomes) from normal number, or a change in the shape of a chromosome during the fertilization which leads to severe abnormality or disorder in the child after birth is called genetic...
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