1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
eduard
3 years ago
7

You suspect that a serious developmental disorder is due to a chromosome abnormality and prepare a karyotype from an affected in

dividual. In analyzing the karyotype, how could you distinguish trisomy from a chromosome structural defect such as a duplication?
The chromosome number in trisomy would be normal; in a duplication, there would be one more chromosome.

In both cases there would be an extra chromosome, but in trisomy there would be three chromatids on one chromosome and in a duplication there would be two chromatids on one chromosome.

In trisomy there would be one extra chromosome; in a duplication, the number of chromosomes would be normal, but one chromosome would have two copies of a portion of the chromosome.

The chromosome number in both cases would be normal, but in trisomy there would be three chromatids on one chromosome and in a duplication there would be two chromatids on one chromosome.
Biology
1 answer:
Anika [276]3 years ago
8 0

The correct answer is: In trisomy there would be one extra chromosome; in a duplication, the number of chromosomes would be normal, but one chromosome would have two copies of a portion of the chromosome.  

Trisomy is a type of polysomy (chromosome aberration with extra number of chromosome/s) and also type of aneuploidy (an abnormal number of chromosomes).

Instead of the normal two (one from mother one from father) chromosomes, people with trisomy have three chromosomes. This condition occurs when chromosome pairs fail to separate properly during cell division.

Duplication, on the other hand, usually refers to a region of DNA that is being duplicated. This condition occurs as products of several types of errors in DNA replication and repair machinery.

You might be interested in
Like DNA, RNA contains four nitrogenous bases. Three of them are the same as those found in DNA. The one that is different is ca
densk [106]
The nitrogenous bases in DNA are adenine, guanine, thymine, and cytosine.
The nitrogenous bases in RNA are adenine, guanine, uracil, and cytosine.
So the base in RNA that is different than in DNA is uracil.

Hope this helps.
6 0
3 years ago
Which of the following is an accurate description of an adult stem cell?
frosja888 [35]
I believe the answer is C). My reason for this is because multipotency stands for multidifferentiative potential. And this is the ability to generate progeny of quite a few distinct cell types. And adult stem cells have that ability. Hope this helps.
4 0
3 years ago
If an object turns but maintains the same speed,has its acceleration changed?explain
Andreas93 [3]
Acceleration is defined as the rate of change of velocity
Since velocity is a vector, it has both speed and direction.
So, if the object is travelling in a straight line at a constant speed, then it will not be accelerating. Both Magnitude and direction are constant.
However, if the object is travelling in a circle at a constant speed, then it'll be accelerating. An Object going in a circle is constantly changing it's direction, which means velocity is changing, so there is an acceleration caused by a net force.
Hope this Helps :)
8 0
3 years ago
10. Which type of graph is the best to show the relationship between an Independent Variable (IV) and a Dependent Variable (DV)?
umka21 [38]
A Column Chart is the best place to start. After you put the data all in on place then using a bar graph or statistic line graph is the best place to begin building your data point
6 0
2 years ago
Several species of leopard frogs are common throughout North America, where their ranges overlap. Different species of leopard f
MrMuchimi

the correct answer is A- Reproductive isolation occurred through behavioral isolation

A process of formation of a new species from an existing species is called speciation. New species may formed due to geographical or reproductive barriers which isolates the members of a population of a species to form a new species.

In the given question, speciation in In the leopard frogs occurred due to a particular or specific call given by males to the females. The courtship call lead to reproductive isolation due to change in behavior. Such type of behavioral change will help in recognizing mates of the same species and this will act as a reproductive barrier among the other related species.


4 0
3 years ago
Other questions:
  • Within a species of short, ground-dwelling animals, two parents produced a group of offspring that were 1 cm taller than they we
    10·2 answers
  • Why is breathing more difficult at high altitudes, such as at the top of mount everest?
    11·1 answer
  • Which part of the plant contains the most cells specialized for photosynthesis?
    6·1 answer
  • Which phase of mitosis is shown in the diagram?
    7·2 answers
  • Which continents contain coal fields that provide evidence for continental drift? Check all that apply.
    9·1 answer
  • Can someone help me with this one??
    13·1 answer
  • What happens to the water supply when icecaps and glaciers are formed? Water increases. Water decreases Water changes to gas. Wa
    12·1 answer
  • A small cave ecosystem gets cut off from the outside world during a large landslide. After this, the cave ecosystem has no energ
    10·1 answer
  • What other steps could you have taken to measure effects of exercise on the body?
    10·1 answer
  • Identify the landmark found on the proximal end of the humerus.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!