A transient ischemic attack has the same causes as that of an ischemic
stroke, and it's also called a mini-stroke. They can happen when a clot
blocks the blood supply to a part of the brain. Unlike the ischemic
stroke, a transient ischemic
attack has a blockage more brief and usually doesn't cause
permanent damage.
Answer:
Telomeres cap and protect the ends of chromosomes from degradation and illegitimate recombination. ... Abolition of telomerase activity in such cells nevertheless results in telomere shortening, a process that eventually destabilizes the ends of chromosomes, leading to genomic instability and cell growth arrest or death.
D. The above example is not micro evolution