Blood type does not change in the lifespan of a person under normal circumstances. In some conditions such as cancer, infections or autoimmune... View Article
O positive can donate blood to all the Rh-positive blood types, i.e. A+, B+, AB+ and O+. O negative can donate blood to all the blood types so it... View Article
The O+ blood type does not have A or B antigen on the surface of RBCs. The genotype of the O blood group is ‘ii’. They are homozygous for the... View Article
AB positive blood group can donate blood only to people with AB+ blood type. They can receive any blood type so they are known as universal... View Article
Having two blood types is a rare condition known as chimerism, when a person has two sets of cells from two sources. It may occur at the time of... View Article
No, in fact O positive blood group is the most common blood type. AB negative blood type is the rarest blood type. Further reading: Polygenic... View Article
No, only males are affected by Klinefelter’s syndrome. They have an extra X chromosome other than normal XY, i.e. their karyotype is XXY. They... View Article
Population is the smallest biological unit that can undergo evolution. Population refers to the group of individuals of a particular species... View Article
Inbreeding is a type of breeding in animal husbandry. Inbreeding is bad for animals because the continuous inbreeding leads to reduced fertility... View Article
The Hardy-Weinberg equation is a mathematical equation used to calculate the genetic variation of a population at equilibrium. Explore More:... View Article
The two alleles having capital letters are called a dominant allele. Explore More: Alleles Stay tuned with BYJU’S to learn more about... View Article
The greatest advantage of evolutions are: It explains how species are evolved and how the different species are related. Evolution also deals... View Article
Heredity. It refers to the inherited traits, directly passed down from parents to children and continues with the generations. Explore More:... View Article
Variations in a person’s genes determine eye colour. In humans, the colour of the eye is caused by the intraspecific variation. Explore More:... View Article
Nucleic acid or DNA-Deoxyribonucleic acid is called the genetic material of a cell. Explore More: Explore More: DNA: Structure and Functions... View Article
When two alleles of a gene are the same, then its genotype is called homozygous. Explore More: Difference between Gene and Allele Stay tuned... View Article
Yes. Humans are still evolving today and it is an ongoing process. Neolithic is the most recent evolution in humans. Explore More: Evolution... View Article
Allele frequency refers to the total number of common allele in a population. It is calculated by dividing the number of times the allele appears... View Article