Contribution of scientist : Hugo de Vries, Hardy - Weinberg and Ernest Haeckel.
Contribution of scientist : Hugo de Vries, Hardy - Weinberg and Ernest Haeckel.
Gave mutation theory it states that evolution occurs by a single step large mutations that are random and directionless.
Reinterpreted Baer's law in the form of recapitulation theory in the light of evolution.
Gave Hardy Weinberg principle, it states that allele frequencies in population are stable and remain constant from generation to generation.
Similar Questions
Definitions / Explanation : Evolution & Theory of species creation
Definitions / Explanation : Evolution & Theory of species creation
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
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
Definitions / Explanation : Recapitulation theory or Biogenetic law & Palaeontology
Definitions / Explanation : Recapitulation theory or Biogenetic law & Palaeontology
How do you express the meaning of words like race, breed, cultivars or variety ?
How do you express the meaning of words like race, breed, cultivars or variety ?
Match the columns :
Column - $I$
Column - $II$
$(1)$ Human embryos have gill
$(a)$ Chemical evolution
$(2)$ Oparin and Haldane
$(b)$ Stimulation experiment
$(3)$ Miller and uray
$(c)$ Wings of bird and butterfly
$(4)$ Analogous organ
$(d)$ Outogeny repeats phylogeny
Match the columns :
| Column - $I$ | Column - $II$ |
| $(1)$ Human embryos have gill | $(a)$ Chemical evolution |
| $(2)$ Oparin and Haldane | $(b)$ Stimulation experiment |
| $(3)$ Miller and uray | $(c)$ Wings of bird and butterfly |
| $(4)$ Analogous organ | $(d)$ Outogeny repeats phylogeny |