Haeckel's biogenetic law or recapitulation theory states that
life history of an animal reflects evolutionary history of the same
progeny resembles parents
mutations are acquired characters
all organisms begin their life from zygote
A colourblind mother and normal father would have
colourblind sons and normal/carrier daughters
colourblind sons and daughters
all colourblind
all normal
A.
colourblind sons and normal/carrier daughters
Colourblindness is a sex linked defect in which human beings are unable to distinguish red and green colour. The gene for colourblindness is located on X- chromosome.
Colourblind mother - XcXc
Normal father - XY
Xc | Xc | |
X | XcX | XcX |
Y | XcY | XcY |
They would have colourblind sons, i.e. XcY and carrier daughters, i.e. XcX.
The most primitive cell like chemical aggregates capable of growth and division were
chemoautotrophs
eobionts
prokaryotes
microspheres
Name the ship on which Darwin got opportunity for a voyage of world.
Titanic
Vikrant
Vectoria
Beagle