Answer:
Genetic variation is increased by meiosis
Explanation:
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.
CARDIAC CATHETERIZATION samples the blood in each heart chamber for oxygen content and pressure. Cardiac catherization is a medical technique that is often employed to diagnose and treat some cardiac conditions. The method makes use of a thin, flexible, tube [cather] which can be inserted into a blood vessel in the upper arm and threaded into the heart. Can also be used to check blood flow in the coronary arteries.
When it is said that mutation is the ultimate source of genetic variation it means that it creates several new combinations which is similar to meiosis and fertilization because <span> new alleles and genes appear. It is just about some common points.</span>
I believe the answer is a Meander. (beware that this is actually a geography question not a biology one, please put it in the right section next time and it will be answered quicker!)