The origin and kinds of mutation
How does the mutation occur? Mutation is a change in the nature of the hereditary factors that control the traits of a living organism which results in a change in the living organism’s traits,...
Tagged: Hereditary traits
DNA molecule composition and the functions of genes
What are the gens? They are the parts of DNA present on the chromosomes and they control the individual’s hereditary traits, And the hereditary traits are transferred from the parents to their offspring through...
Principle of complete dominance and Law of segregation of factors ( Mendel’s first law )
The dominant trait is the trait that appears in all the individuals of the first generation, The recessive trait is the trait that disappears completely in the individuals of the first generation.
Main principles of Heredity and Mendel’s experiments
Main principles of Heredity When you notice some traits in your family tree (grandfathers, parents, brothers, and sisters) you will find that there are two kinds of traits which are the hereditary traits and the acquired...
How does the fertilization process take place in the human?
The fertilization process in the human The fertilization is the fusion of the nucleus of male gamete (the sperm) with the nucleus of the female gamete (the ovum) to form the zygote (the fertilized...
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