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
Paha777 [63]
3 years ago
6

Case Study: Parents of a 3-year-old boy noticed that their son had a waddling gait, fell frequently and had difficulty getting u

p again, and was not able to run. By age five, there was progressive muscular weakness and muscle wasting, and weakness of the trunk muscles led to abnormal posture. By age 9 he was confined to a wheelchair. Contractures appeared, first in the feet, as the gastrocnemius muscles tightened.1. This hereditary X-linked recessive disease characterized by progressive muscular weakness is ______.2. What does dystrophy mean? Why is this term used to describe this case?
Biology
1 answer:
Ierofanga [76]3 years ago
6 0

Answer:

Muscular dystrophy

Explanation:

Muscular dystrophy is an inheritable genetic condition that involves mutations in genes that encodes the production of muscle proteins to build and to preserve healthy proteins. The disease is characterised by progressive weakness and loss of muscle mass.

Dystrophy is referred to as a disorder in which the a tissue or an orgasm progressively wastes away. Thé dystrophy term is used because the disease involves the gradual and progressive wasting away of the muscle which is a type of tissue causing muscular weakness allowing the child to experience these symptoms.

You might be interested in
Which statement is true about folding in sedimentary rock layers?
gulaghasi [49]

Downfolds are calles synclines. B is the correct choice.


8 0
3 years ago
Read 2 more answers
WHY IS A FOSSIL FOUND IN MULTIPLE LAYERS OF ROCK (TIME PERIODS) NOT CONSIDERED A RELIABLE INDEX FOSSIL?
Sati [7]

Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.

3 0
3 years ago
Read 2 more answers
Which process takes place in the mitochondrion?
ser-zykov [4K]
There are no answer choices, but I know the mitochondria create energy for the cell.
8 0
3 years ago
Read 2 more answers
Which statements about kinetic energy are true? It's always transformed into potential energy. It's always associated with motio
Fittoniya [83]

Answer:

It's always associated with motion

It can be transferred from one object or body to another

Explanation:

Kinetic energy is the energy due to motion of a body.

  • Moving objects possess kinetic energy which is resident in that body.
  • As with other forms of energy, it can be transferred from one body to another.
  • Kinetic energy can express itself as thermal energy, electrical energy, mechanical energy etc..
  • As a body moves, the kinetic energy is increases.
8 0
3 years ago
How do heterotrophs get their source of glucose?
Zolol [24]

Answer:

By consuming plants and animals.

Explanation:

Since plants are autotrophs, they absorb the sun's energy through photosynthesis and make glucose. herbivores (plant eating heterotrophs) then consume these plants and gain energy from the glucose and further up the food chain carnivores consume herbivores and also gain a bit of glucose from them.

8 0
3 years ago
Other questions:
  • 3 reasons why arid lands are prone to desertification
    14·1 answer
  • Rocks formed from the cooling lava of volcanic eruptions are _____.
    15·2 answers
  • The color and temperature of stars are closely related. Which color star is the hottest?
    10·2 answers
  • PLEASE HELPPPP!!!!!!!!!!!!!!!!!!!!!!
    15·2 answers
  • Please help me, I need help.
    9·1 answer
  • On the mohs hardness scale ,the lower the number the _______ the mineral is
    5·2 answers
  • Facilitated diffusion is a type of
    5·1 answer
  • What are the 3 types of substitution mutations?.
    5·1 answer
  • In a culture of bacteria, there are some individuals that are unable to synthesize histidine. What is the best and most likely d
    7·1 answer
  • Tysons Father has large ears ( E1) Tyson‘s mother has small ears ( E2) Tyson inherited medium ears. Which Allele combination did
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!