Improvement of human race by improving the environment is called
Euphenics
Eugenics
Euthenics
None of them
In which of the sex determination both male and female have same number of chromosomes?
Identify the type of mutation in given diagram
Who was the scientist to introduce $ABO$ blood groups
The traits controlled by the genes located on $X$ chromosome of human beings are said to be
Gynaecomastia condition can develop due to