Evolution and Genetics

Lamarck believed in,

For evolution ,mutations must occur in

Key point of Lamarck’s theory was that every offspring

Darwin failed to explain,

Phenomena which defies independent assortment is

A quantitative trait in man is

Pea plant with double hybrid round yellow seeds (RrYy) is crossed with the one with green round seeds (Rryy). The progeny will be,

Red antirrhinium (RR) crossed with white (WW) , we get pink (RW) offspring. This is an example of,

Gene frequency in a population remains same until and unless there is,

The statement “environment brings changes in individuals” was according to

use-disuse” principle was proposed by

Study of animals is

Most fossils are found in

Wings of bird, bat and insects are examples of

Organs functionally different but structurally alike

Structures that were utilized before but not anymore,

Male determining factor in humans is

Colour blindness is

When single gene affects two or more traits

When one gene masks effects of the other

Alternate forms of a gene

Chances of haemophilia in man are

Chances of haemophilia in man are

Blood group variations is example of,

Wwhich is not possible in offsprings,
hen person with blood group “A” mates with blood group “B”,

A boy has blood group “B” and his sister has blood group “A” , which combination can’t be found in parents?