It involves chromosomal abnormality; w<span>hen the condition is caused by trisomy 21, (down syndrome), the </span>chromosomal abnormality<span> occurs as a random event during the formation of reproductive cells in a parent. The </span>abnormality<span> usually occurs in egg cells, but it occasionally occurs in sperm cells.
I hope this answers your question. =)</span>
1. Don't smoke.
2. Drink lots of water.
3. Try not to scream or yell.
4. Do a lot of vocal warm ups!
<span>Anyone interested in acquiring a skilled trade through on the job training has many options to consider. The best option for their desired route is an apprenticeship. Choosing apprenticeship provides multiple advantages over brick and mortar schools and online programs. Firstly, the apprentice is paired with a knowledgeable master that will serve as the main instructor. Secondly, the learning is kinesthetic and current rather than theoretical and book based. Finally, an apprenticeship will provide real world experience.</span>
<span>bile
</span><span>a bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gallbladder.
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So the anwser is B.
