Diatoms
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Answer:
One possible explanation for why <u><em>maternal age</em></u> is a primary risk factor for autosomal trisomy is that oocytes remain in meiosis I until ovulation, which could take<em> place many years after birth, making them more susceptible to damage.</em>
Explanation:
Increasing age becomes a risk for abnormal children like children with autosomal trisomy because as the age of the female increases, the chances of abnormal division of chromosomes in the egg of the female also increases. After the age of 30, the chance of having a baby with autosomal trisomy increases exponentially. The risk primarily increase because of the abnormalities in meiosis in the women.
Answer:
Here, a single mutation has resulted in a new protein with a new and ... how successive mutations turned a pair of protoHox genes in the simple ... The same thing can happen in fruit flies, and likely in many other groups too.
Explanation:
<span>Both astrology and astronomy study the stars. The major difference in the two is that
1.Astrology is a science that uses the scientific method.
2. Astronomy is based on opinions and beliefs
3.Astronomy is a science that uses the scientific method
4.Astrology is not based on opinions and beliefs
The answer is 3. Astronomy is a science that uses the scientific method.</span>
Answer:
Stratified squamous epithelium
Explanation:
Most animals, including humans, have stratified squamous epithelium in their esophagus. It may include keratin, which gives an extra layer of protection, allowing them to eat bigger and less chewed food. It should be noted that the esophagus has a mucous membrane and because of the muscular layers, called muscularis mucosae, the food can pass rapidly through it preventing damages in its layers due to coarser or abrasive food.
