This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A human somatic cell contains __________ chromosomes. A. 23 B. 49 C. 46 D. ... (Read 735 times)

lunatika

  • Hero Member
  • *****
  • Posts: 548
on: Aug 11, 2018
A human somatic cell contains __________ chromosomes.
 
  A. 23 B. 49 C. 46
   D. 92

Question 2

Which of the following statements about mutations is correct?
 
  A. Mutations occur when needed to allow individuals to survive environmental changes such as shifts in the climate or the onslaught of a new disease.
  B. Mutations are always beneficial, making the organism better adapted.
  C. Mutations are very important from an evolutionary perspective because they introduce variation (new alleles) into the gene pool.
  D. Mutations are goal-directed, nonrandom changes in the DNA of an organism.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Aug 11, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: C


lunatika

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Aug 11, 2018
Both answers were spot on, thank you once again


isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Aug 11, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

human body human body
Human Back Muscles Human Back Muscles
The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig
The Human Genetic Code The Human Genetic Code
Steps in the humoral and cell-mediated immune responses. Steps in the humoral and cell-mediated immune responses.
Prophase Chromosomes coil up and condense; centrioles divide and move apart Prophase Chromosomes coil up and condense; centrioles divide and move apart
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library