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
user100 [1]
3 years ago
9

Although the most frequent forms of down syndrome are caused by a random error, nondisjunction of chromosome 21, down syndrome o

ccasionally runs in families. the cause of this form of familial down syndrome is ________.
Biology
1 answer:
den301095 [7]3 years ago
3 0
Genetic disorder facts
You might be interested in
How are genes and proteins related?
zheka24 [161]

Most genes contain the information needed to make functional molecules called proteins. this is the answer on APEX

7 0
2 years ago
Read 2 more answers
A scientist associated with antibiotics is
Maru [420]

Answer:

The modern medical era began when an absent-minded British scientist named Alexander Fleming returned from vacation to find that one of the petri dishes he forgot to put away was covered in a bacteria-killing mold. He had discovered penicillin, the world's first antibiotic.

8 0
2 years ago
Which organism is most specialized? A. Bacteria B. Unicellular algae C. Cat D. Ant
Tatiana [17]
The answer would be (C.cat) because <span>For the cat has the most advanced biological system, whereas the unicellular algae and bacteria are microscopic in size, and while the ant does have a system and is a multi-cellular organism, the cat has a much more advanced biological system with many more functions and organs. 

Hope it helps! 

</span>
3 0
3 years ago
Neverrrrrrrrrrrrmindddddddd
Ksivusya [100]

I want Brainliest!!!!!!!!!!!!!

5 0
2 years ago
Read 2 more answers
Which is found in the highest concentrations in the atmosphere?
saveliy_v [14]

Answer: By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.

Explanation:

5 0
3 years ago
Other questions:
  • If a person with AB blood (genotype IAIB) produced an offspring with a person who’s IAi, what’s the chance that the offspring wi
    6·1 answer
  • What is selectively permaeble
    7·1 answer
  • DNA resembles a ladder. The molecules composing the sides of the ladder are _________ and __________. The molecules forming the
    13·1 answer
  • . The limiting factor of a desert biome is its _____. mineral-poor soil 10° daily temperature changes 10 cm annual rainfall
    15·2 answers
  • Please help! If gastric protease was put in the intestine, do you think it could still carry out its usual function of digestion
    6·1 answer
  • Which of the following BEST defines the process of observing
    12·1 answer
  • What are some effects of gravity we can experience on Earth?
    8·2 answers
  • What part does the skin play in your immune system
    9·1 answer
  • Which of the following statements describes the conditions of a pneumothorax? View Available Hint(s) Which of the following stat
    8·1 answer
  • A common theory for the origin of the
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!