Which type of variation is inherited?
The organs which perform different functions but have the same basic structure are called:
While digging fossils are found at deeper layers of the earth, we can conclude :
Wings of an insect & a bird are example of:
Vermiform appendix is an example of:
A trait in an offspring is influenced by:
On crossing Tall plant with Dwarf plant Mendel found the the ratio of dwarf plants in F2 generation was?
Gamete cells are:
Human baby will be a female its 23rd chromosome pair is:
Who proposed the hypothesis that life must have developed from the simple inorganic molecules which were present on earth soon after it was formed?
Mendel observed 7 pairs of contrasting characters inPisum sativum. One of the following is not a part of that. Find out.
The F2 phenotype ratio of a monohybrid cross studied by Mendel is:
If T is for tallness and t for dwarfness, what shall be the genotype of a tall pea plant according to Mendelism?
A Yellow and Round seeded pea plant has genotype YyRr. The gametes produced shall be:
If in human a sperm (22+Y) fertilizes an egg (22+X), the sex of the foetus shall be :
Forelimb of frog, lizard, bird and man has some evolutionary relationship. This are :
The number of autosomes in a human body cell is:
The theory of Natural Selection was proposed by:
How life might have originated on earth was experimentally shown by:
A random change in the frequency of alleles in any population over several generations due to errors in the gametes is called?