Kappa particles indicate
Nuclear inheritance
Cytoplasmic inheritance
Mutation
Nucleo-cytoplasmic inheritance
The recessive genes located on $X$-chromosome in humans are always
The average ratio of male to female individuals based on $XX$ and $XY$ type of sex determination, in total world of human population is
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?
Both sickle cell anaemia and Huntington’s chorea are
When different alleles of the same gene are present on an individual, the individual is a