Mutations: What is Mutations and its types


Mutations are a change in the genetic information in the genome of a cell or a virus. It is a change in the sequence of the DNA, or in the RNA for RNA viruses. This is one of the main causes of the evolution of species and one of the …

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Down Syndrome: Genetic Disorder of Humans

What is down syndrome

Down syndrome (DS) is a chromosomal disorder that includes a combination of birth defects, including some degree of mental retardation, characteristic facial features and, often, heart defects and other health problems. The severity of these problems varies greatly among affected individuals. What are Chromosomal AbnormalitiesWhat are Gene Families and How they …

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What are Chromosomal Abnormalities?

chromosomal abnormalities

About 1 in every 200 babies is born with a chromosomal abnormality. The syndrome, which causes a baby is born with an extra chromosome 21, is one of the most common chromosomal abnormalities whose effects are known by most people. Children affected with this syndrome have varying degrees of intellectual …

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What is Mendelian Law and Mendelism?

Mendelism and Mendelian law

The contribution of Mendel to genetics is called Mendelism. Mendel is called the Father of Genetics. He was born in a peasant family in 1822 in Austria. In 1843, he entered the monastery at Brunn and in 1847 he was ordained as a Priest. After completing the theological studies, he …

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