What is "trisomy"? having extra copies of chromosome #3 having an extra copy of a particular chromosome having three sets of chromosomes
Added by Karen C.
Close
Step 1
This means that instead of having the usual two copies of a chromosome, there are three copies. For example, trisomy 21 (also known as Down syndrome) is a condition where there is an extra copy of chromosome 21. This extra chromosome can cause developmental Show more…
Show all steps
Your feedback will help us improve your experience
Rupsa Sarkar and 100 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
An individual with a trisomy has a. 3 copies of one chromosome b. 3 sets of chromosomes c. 3 missing chromosomes d. only one set of chromosomes e. one missing chromosome
Adi S.
Down's Syndrome is also called Trisomy 21 because affected people have three copies of chromosome 21. How is this possible?
Individuals with Down syndrome have ___ of chromosome 21. A. three copies B. two copies C. no copies D. one copy
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Watch the video solution with this free unlock.
EMAIL
PASSWORD