The right answer is inversion.
Inversion is a genetic mutation characterized by the end-to-end reversal of a portion of chromatid on a chromosome.
In other words, it is a double break then it is replaced after rotation of 180 ° of a chromosome segment (backward insertion).
We distinguish :
Paracentric inversions: The centromere in the chromosome is not included in the inversion.
Pericentric inversions: The centromere is included in the inversion which transforms a metacentric chromosome into an acrocentric chromosome.
The photosystem
This unit absorbs light energy for photosynthesis.
Answer:
it is located across the forehead.
A cell which contains cytoplasm, cell membrane and a nucleus
Cell-mediated immunity <span>provides defense against viruses, abnormal cells, and other intercellular pathogens.</span>
