A diseased man marries a normal woman. They get three daughters and five sons. All the daughters were diseased and sons were normal. The gene of this disease is
Autosomal dominant
Sex linked recessive
Sex limited character
Sex linked dominant
Mendelism was rediscovered by
$I.$ Morgan
$II.$ De Vries
$III.$ Correns
$IV.$ Tschermark
Choose the correct option
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?
Philadelphia chromosome'' is found in the patient suffering from
When a cross is made between offspring and its parents, it is known as
Fruit colour in squash is an example of