- DNA codes fail to match accurately.
- The environment.
- Disclosure to chemical or radiation.
- <span> Mistake in the cellular machinery</span>
Some students feel distressed only in test situations. They might be said to suffer from Acute Stress.
Answer: Option B
<u>Explanation:</u>
Stress is your body's reaction to specific circumstances. It's abstract, so something that is distressing for you may not be unpleasant for another person. There is a wide range of sorts of stress and not every one of them is terrible. Stress can enable you to act rapidly in a crisis or help you comply with a time constraint.
Acute stress is the most widely recognized sort of pressure. It's your body's prompt response to another test, occasion, or request, and it triggers your battle or flight reaction.
Answer: Cells have specific jobs they have to do, like for example, reproduction, cells help in the reproduction of organisms. Energy metabolism, some cells help with nutrients and oxygen. Regeneration, if you get a cut or a scrape, some cells help to heal that wound. And information transfer, this is when we get information in our brain.
Hope this helps!
Answer AND Explanation:
Let H be for normal blood clotting gene.
XH Xh
XH XHXH XHXh
Y XHY XhY
The probability of the couple having a hemophilia sex-linked trait is 25% and 75% for normal children.