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
wel
4 years ago
7

Duchenne muscular dystrophy is a genetic disorder that arises from a recessive X-linked allele. Why is this disorder almost alwa

ys restricted to males?
Biology
1 answer:
nevsk [136]4 years ago
3 0
As female has XX chromosome so they can be carrier if one chromosome is recessive to the disease and have muscular distrpphy if female has homozygous condition for the disease !!

But in male ; which has only one X chromosome i.e XY , it can not be a carrier !! Male even if has the recessive gene but due to having only one X gene will get muscular distrophy.

I hope now you understand; if got any problem ; comment !!
You might be interested in
Which planet is the moon thought to have come from originally?
Lisa [10]

The Moon is thought to have come from the Earth. In 1975, the giant impact hypothesis was put forward. This suggests that the Earth was hit by a planet about the size of Mars around the time of the formation of the solar system approximately 4.5 billion years ago, and the impact caused part of the outer layer of the Earth to spin off and form what is now the Moon.

3 0
4 years ago
1.) You decide to clean the bathroom. You notice that the shower is covered in a strange green slime. You decide to try to get r
coldgirl [10]

Answer:

The correct answer is :

Independent Variable:  side of the shower with lemon juice

Dependent Variable:  cleanliness of shower

Control:  spray of water

Conclusion: lemonade juice have no effect on slime

Explanation:

Independent variable in any experiment is the variable that is changed or manipulated as here side of the shower that is sprayed with lemonade juice is manipulated to see if there is any effect on the cleanliness of shower.

Dependent variable is the variable that is observed or measured to check if manipulated variable or independent variable have any effect on it, like the cleanliness is measured to check if lemonade juice clean the slime of the side or not.

The control is something that remains the same to check the condition or effect that is not changed or can be compared to it. Water spray is control in this case.

The conclusion of this experiment is that there is no effect of lemonade juice on the cleanliness of slime present in the shower

6 0
3 years ago
Which of these activities will most likely impose an external cost? an athlete works out at a gym. a young mother pushes her bab
elixir [45]
Answer is: a secretary smokes a cigarette in a crowded break room.
External cost Is when consuming a good or servise imposes a cost to a third party. In this case, smoking affects other people in break room, causing pollution and health related problems.
3 0
4 years ago
Climate is a global factor that produces a. Earth’s unique ocean and atmosphere. b. the shape and elevation of landmasses. c. a
sergiy2304 [10]

Answer:

ANSWER : a wide range of environmental conditions that shapes communities.

Explanation:

Climate can easily be described as the average weather which occurs in a place over a long period of time probably over many years. The ecosystems and habitats around the earth are shaped due to climate as particular climate can be best for the living condition of one organism but be devastating for the living of another organism. The effect of climate on living communities is such devastating that a change in climate can cause the extinction of a particular kind of species. Climate shall not be confused with weather which is day to day temperature change.

4 0
3 years ago
Read 2 more answers
Which of the following best explains why ecosystems need a continual influx of new energy?
Viktor [21]
Energy flows through an ecosystem and cannot be recycled. 
8 0
3 years ago
Other questions:
  • What will a hypothesis become if it is supported by repeated experimentation? A. A control B. A scientific theory C. A predictio
    13·2 answers
  • Evaluate the analogy of tropical rain forests being referred to as the "lungs" of earth.
    6·1 answer
  • Fetal pig dissection lab analysis questions answer key
    7·1 answer
  • Is mitosis responsible for genetic continuity
    6·1 answer
  • Plants growing in the dark start to fall over because they can no longer support their own weight which of these is a prediction
    15·1 answer
  • The four organic molecules are listed below. Which ones do you get from the foods you eat? Check all that apply.
    11·1 answer
  • Please answer these 2 questions correctly + clear explanation.
    12·1 answer
  • Which of the following is not a possible pollutant?
    7·2 answers
  • What are some characteristics that protists and fungi both have that make them eukaryotes?
    11·1 answer
  • How does Earth’s magnetic field help us?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!