A duplication is a mutation where the chromosome carries repetitive sets for a gene.
Answer:
A
Explanation:
mtDNA is inherited from the mother of a child, this is because mitochondria are in the cytoplasm and the father's gamete (sperm cell) contributes very little or no cytoplasm to the zygote. We know that mitochondrial Eve came from Africa because the mutations in the mtDNA occurred before the <em>out-of-Africa dispersal</em>.
DNA is a double helix composed of nitrogenous bases, which form hydrogen bonds with each other. It also contains a deoxyribose sugar and phosphate backbone.
Well from the statements is pronounced it is an observation.
The answer is inflammatory response. T –suppressor (now referred to as T-regulatory cells) are significant in the negative feedback loop in inflammation. Therefore they downregulate inflammation when an infection has been eliminated. Only when there is an infection in the body does other factors reduce the suppression by Tregs.