Heterochromatic regions at the ends of chromosomes that function to control how many times the cell...

90.2K

Verified Solution

Question

Biology

Heterochromatic regions at the ends of chromosomes that functionto control how many times the cell will divide are called:
centromeres.
euchromatin.
telomeres.
satellites.
DNA hubs.
An individual has two homologs of chromosome 21 and bothhomologs came from the same parent. Which phenomenon caused thiscondition?
deletion
duplication
aneuploidy
polyploidy
uniparental disomy
Although natural selection works to decrease the frequency ofdeleterious alleles in a population's gene pool, deleteriousrecessive alleles often remain in the gene pool. What maintainsdeleterious recessive alleles in a population?
Ability to be hidden in heterozygotes
Migration
Nonrandom mating
Natural selection
Evolution

Answer & Explanation Solved by verified expert

3.9 Ratings (586 Votes)

1 Telomeres Telos in Greek means the end And since the question asks which region is at the end of the chromosome the answer is telomere Telomeres are very important regions They form caps at the end of the chromosome that protects the chromosome from See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member