Inversions are rearrangements in chromosomes where small segments break, rotate about 180° and reattach themselves. There are two types of inversions – Paracentric and Pericentric. Let us look at their differences:
|
|
|
|
|
|
|
This is a type of inversion in which the centromere is not involved. |
This is a type of inversion which involves the centromere. |
|
|
|
|
It occurs in only one arm. |
It occurs in both the arms. |
|
|
|
|
The broken segment always arranges itself in the reverse direction. |
There is no hard and fast rule for the arrangement of broken segments. |
Stay tuned to BYJU’S Biology to learn more such concepts.
Also see:
____________________________________________________________________________
Comments