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Author Question: A change in a gene that alters or harms function is known as a mutation. In contrast, an alternate ... (Read 136 times)

anshika

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A change in a gene that alters or harms function is known as a mutation. In contrast, an alternate healthy form of a gene is known as a ___________.
 
  Fill in the blank(s) with correct word

Question 2

A mother of a 2-month-old is worried about a soft spot on the top of her infant's head. The nurse informs her that this is a normal physical finding called the anterior fontanelle, and that it will remain open until:
 
  1. 23 months of age.
  2. 69 months of age.
  3. 1218 months of age.
  4. Approximately 2 years of age.



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mmpiza

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Answer to Question 1

polymorphism
Normal alleles that are common in a population, or polymorphisms, provide genetic
variety and sometimes a biologic advantage.

Answer to Question 2

3
Rationale:
1. The anterior fontanelle is located at the top of the head, and is the opening at the intersection of the suture lines. As the infant grows, the suture lines begin to fuse, and the anterior fontanelle closes at about 1218 months of age.
2. The anterior fontanelle is located at the top of the head, and is the opening at the intersection of the suture lines. As the infant grows, the suture lines begin to fuse, and the anterior fontanelle closes at about 1218 months of age.
3. The anterior fontanelle is located at the top of the head, and is the opening at the intersection of the suture lines. As the infant grows, the suture lines begin to fuse, and the anterior fontanelle closes at about 1218 months of age.
4. The anterior fontanelle is located at the top of the head, and is the opening at the intersection of the suture lines. As the infant grows, the suture lines begin to fuse, and the anterior fontanelle closes at about 1218 months of age.




anshika

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Reply 2 on: Jun 27, 2018
Thanks for the timely response, appreciate it


AISCAMPING

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Reply 3 on: Yesterday
Wow, this really help

 

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