What is the best topic sentence for an article about whether or not certain genes play a favorable role in human evolution?

"jumping genes," or transposable elements, are dna sequences that have the ability to replicate and move from one chromosome to another.
nobel laureate barbara mcclintock first reported this phenomenon in 1951, but few other scientists believed her findings at the time.
jumping genes have the unsavory reputation of causing genetic mutation or cancerous cell growth.
challenging the notion that jumping genes are "junk" genes, recent b

What is the difference between self-pollination and cross-pollination? question 2 options: self-pollination leads to the creation of a fruit. cross-pollination does not. during cross-pollination, ovules are carried from one plant to another plant.. during self-pollination the ovules stay on the same plant. during cross-pollination, ovules are carried from one plant to another plant.. during self-pollination the ovules stay on the same plant. during cross-pollination the pollen grains are carried from one plant to another plant. during self-pollination the pollen and ovules are from the same plant. during cross-pollination, the pollen grains travel from the stigma to the anthers. during self-pollination, the pollen grains travel from the anthers to the stigma.

What is turgor pressure, what causes it, and what does it do for a plant?

What were the main components of earth’s earliest atmosphere? oxygen and ammonia hydrogen and helium oxygen and nitrogen hydrogen and nitrogen