What is the most common cause of down syndrome?
- Correct Answer: chromosome 21
- trisomy 22
- gametes 21
- trisomy 21
Explanation:
More Random Questions
Q: What kind of model - which includes producers, consumers and decomposers - shows the interactions between organisms across trophic levels?
Ans: food web
Ans: food web
Q: Who won his sixth ATP Challenger tennis title?
Ans: Sumit Nagpal
Ans: Sumit Nagpal
Q: Which of the following refers to creating products tailored to individual customers?
Ans: E-Commerce
Ans: E-Commerce
Q: By when have India and Pakistan extended the Kartarpur Corridor?
Ans: 2029
Ans: 2029
Q: Which treaty ended the Russo-Turkish War of 1877–78?
Ans: Treaty of San Stefano
Ans: Treaty of San Stefano
Q: Animals are classified according to morphological and developmental characteristics, such as a body plan. with the exception of sponges, the animal body plan is symmetrical. this means that their distribution of body parts is balanced along this?
Ans: ulna
Ans: ulna
Q: What are the two terms that designate how well aqueous solutions conduct electricity?
Ans: polar and nonpolar
Ans: polar and nonpolar
Q: What was the approval rating for Trump’s economic policies in Feb 2025?
Ans: 43%
Ans: 43%
Q: The bird ancestor that lived in trees developed what feature commonly associated with birds?
Ans: beaks
Ans: beaks
Q: According to the UNCTAD report, by what percent has India's service exports increased?
Ans: 11.4%
Ans: 11.4%
Q: In Nyaya Darshana, how many Pramanas are accepted as valid means of knowledge?
Ans: 4
Ans: 4
Q: Chlorophylls and carotenoids are the two major classes of pigments associated with what process and found in plants and algae?
Ans: photosynthesis
Ans: photosynthesis
Q: Which gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland?
Ans: pituitary
Ans: pituitary
Q: A patient with suspected endocarditis has a blood culture positive for viridans streptococci. Which procedure confirms the diagnosis?
Ans: Transesophageal echocardiography (TEE)
Ans: Transesophageal echocardiography (TEE)
Q: For plants, the amount of water, sunlight, nutrients, and space to grow are the important resources, whereas in animals, important resources include food, water, shelter, nesting space, and this?
Ans: mates
Ans: mates

