Mendel enunciated
Two principles of inheritance
Three principles of inheritance
Four principles of inheritance
Five principles of inheritance
Haemophilia is caused due to lack of
A fruit fly is heterozygous for sex-linked genes when meted with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion
Nicotiana sylvestris flowers only during long days and $N$.tabacum flowers only during short days, if raised in the laboratory under different photoperiods, they can be induced to flower at the same time and can be cross fertilized to produce self-fertile offspring. What is the best reason for considering $N .$ sylvestris and $N$. tobaccum to be separate species?
What is the unit of crossing over
Mark the correct statement (w.r.t. sickle cell-anaemia)