Because Thomas conducted experimental research on the fruit flys. This research later established the chromosome theory of heredity. Meaning that genes are linked into a series of chromosomes. Explaining that the series creates identifiable traits that are passed down.
I believe the correct answer from the choices listed above is option C. <span>Most of Earth’s dry air is made up of nitrogen and oxygen. Approximately, air is made up of 21 percent of oxygen and 79 percent of nitrogen. Hope this answers the question. Have a nice day.</span>
Answer is: p<span>olymerase chain reaction (PCR).
</span>Polymerase chain reaction<span> (</span>PCR<span>) is a technique used in </span>molecular biology<span> to </span>multiply<span> a one or more copies of a segment of </span>DNA,<span> developing thousands to millions of copies of a particular </span>DNA sequence. PRC was d<span>eveloped in 1983 by </span>Kary Mullis (<span>1944 - ).</span>
