Traits Of Living Things

10 Questions | By Vstricklandmills | Updated: Mar 17, 2022 | Attempts: 129

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Compare and contrast the characteristics of learned behaviors and of inherited traits. Reflect on a gene is and the role genes play in the transfer of traits.

Questions and Answers

1.

In a classroom, 7 students have attached earlobes, and 21 have detached earlobes. What fraction of students in the classroom have attached earlobes?
- A.
  
  1/7
- B.
  
  1/5
- C.
  
  1/4
- D.
  
  1/3
Correct Answer
C. 1/4
2.

The order of the nitrogen bases in a DNA molecule determines an organism's
- A.
  
  Centromeres.
- B.
  
  Chromatids.
- C.
  
  Genes.
- D.
  
  Phophates
Correct Answer
C. Genes.
3.

Which instrument do scientists use to observe DNA?
- A.
  
  Barometer
- B.
  
  Hand lens
- C.
  
  Microscope
- D.
  
  Thermometer
Correct Answer
C. Microscope
4.

A change in DNA during replication is
- A.
  
  A hybrid.
- B.
  
  A mutation.
- C.
  
  A nucleotide.
- D.
  
  Reproduction.
Correct Answer
B. A mutation.
5.

Dogs have 78 chromosomes in each body cell. How many chromosomes did it get from each of his parents (gamete)?

Correct Answer
39
6.

Which would be the BEST model of a DNA molecule?
- A.
  
  Stacks of wooden blocks
- B.
  
  A zipper that is slightly twisted
- C.
  
  Different sizes and colors of marbles
- D.
  
  A stretched metal spring toy
Correct Answer
B. A zipper that is slightly twisted
7.

A brown rabbit has one gene for brown coloring (G) and one gene for white coloring (g). A white rabbit has two genes for white coloring (g). What are the possible gene combinations of their off spring?
- A.
  
  GG and gg
- B.
  
  GG and Gg
- C.
  
  Gg and gg
- D.
  
  GG and Gg or gg
Correct Answer
C. Gg and gg
8.

Kevin observes a frog. Which statement is NOT an observation?
- A.
  
  Its skin is smooth.
- B.
  
  It will live at least 15 years.
- C.
  
  Its long legs help it jump far.
- D.
  
  Its webbed feet help it swim.
Correct Answer
B. It will live at least 15 years.
9.

Any trait that helps an individual to survive in its environment is a(n)

Correct Answer
adaptation
10.

Body shape, haor and eye color, and the need for sleep are examples of manipulated traits.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

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Current Version
Mar 17, 2022

Quiz Edited by
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Oct 12, 2011

Quiz Created by
Vstricklandmills

Traits Of Living Things

In a classroom, 7 students have attached earlobes, and 21 have detached earlobes. What fraction of students in the classroom have attached earlobes?

The order of the nitrogen bases in a DNA molecule determines an organism's

Which instrument do scientists use to observe DNA?

A change in DNA during replication is

Dogs have 78 chromosomes in each body cell. How many chromosomes did it get from each of his parents (gamete)?

Which would be the BEST model of a DNA molecule?

A brown rabbit has one gene for brown coloring (G) and one gene for white coloring (g). A white rabbit has two genes for white coloring (g). What are the possible gene combinations of their off spring?

Kevin observes a frog. Which statement is NOT an observation?

Any trait that helps an individual to survive in its environment is a(n)

Body shape, haor and eye color, and the need for sleep are examples of manipulated traits.