Answer:
Optic chiasma
Explanation:
Optic chiasma is the part of the brain where the optic nerves partially cross.
For example, the optic nerve fibres on the nasal sides of each retina cross over to the opposite side of the brain at the site of optic chiasm. The same thing is with the opposite site. Since the fibres intersect at the chiasm, it has the hallmark X-shape.
The answer is 14y
I think
The type of mutation in which a segment of a chromosome breaks off and reattaches in the reverse direction (backwards). The type of mutation that results in a different amino acid being coded for. ... This is a source of genetic variation that involves the swapping of sections of chromosomes during meiosis.