Pretty confident that it is A, judging by that the word composition is used as a combination or a ratio of 2 things. Also none of the other options make sense.
Answer: The final sequencing map published on April 14, 2003, was reported to cover 99% of the euchromatic human genome. According to a quality assessment of the genome sequence published in 2004, 92% of sampling had an accuracy of more than 99.99%. In 2003, an accurate and complete human genome sequence was finished and made available to scientists and researchers two years ahead of the original Human Genome Project schedule and at a cost less than the original estimated budget.
Explanation:
No not after twenty weeks. but around the middle of the 2nd trimester is when the baby can hear outside noises. that is why they kick.
