Match the columns :
Column - $I$ | Column - $II$ |
$(1)$ Mutation | $(a)$ Change in population allele frequencies due to chance alone. |
$(2)$ Gene flow | $(b)$ Difference insurvival and reproduction |
$(3)$ Natural selection | $(c)$ Immigration, emigration change allele frequencies. |
$(4)$ Genetic drift | $(d)$ Source of new alleles. |
$(1 - d), (2 - c), (3 - b), (4-a)$
How do you express the meaning of words like race, breed, cultivars or variety ?
Select the incorrect statements
$I.$ Natural selection is essential for evolution
$II.$ Natural selection do not include variations
$III.$ Concept of natural selection was given by Hugo de Vries
$IV.$ Mutation is the sudden inheritable change
$V.$ Synthetic theory is also called Neo-Darwinism theory of evolution The correct combination is a
$A$ : During evolution pouched mammals of Australia survived.
$R$ : Due to lack of competition from any other mammal due to continental drift
Give difference Amongest Lamarckism, Darwinism and Mutation Theory.