Who is known as the 'father of genetics' ?
Fisher
Mendel
Aristotle
Weismann
The wings of bat, locust and pigeon are the examples of
vestigial organs
analogous organs
homologous organs
exoskeletal structures
Who proposed the theory of natural selection along with Charles Darwin ?
Muller
Hugo de Vries
Herbert Spencer
Alfred R. Wallace
Genetic variation arises by
nucleolus
mutation
recombination
both '2' and '3'
A couple has seven daughters, possibility of having a male child now will be (after pregnancy)
25%
50%
100%
0%
F2-generation is produced by
selfing the parents.
recessive cross between individual parents.
crossing F1-progeny with one of the parents.
selfing the progeny of two individual parents.
Wings of pigeon, mosquito and bat show
atavism
divergent evolution
convergent evolution
An example of homologous organ is:
Our arm and a dog’s foreleg
Our teeth and an elephant’s tusks
Potato and runners of grass
All of the above
Normally a test cross is meant to
Test the genotype.
Test the dominant alleles.
Test the phenotype.
Test the crossing over.
How many pairs of contrasting characters of pea were selected by Mendel for cross fertilization?
Six
Seven
Five
Twelve
