13 Questions
What is the length of the human X chromosome in mega bases (MB)?
155 MB
How many protein coding genes are there on the X chromosome?
826
What does the rest of the X chromosome consist of, apart from the genes?
Interspersed DNA sequences
What is the gene density of the X chromosome compared to other chromosomes of similar size?
Somewhat less gene-dense
In what context do the interspersed DNA sequences occur?
Repeats all over our genome
What is the intended learning outcome of the lecture on X inactivation mechanisms and impacts?
Describe the concept of gene regulation in eukaryotes
What is the ultimate goal of X inactivation?
To equalize the expression of genes between members of different biological sexes
What is the Barr body?
The inactivated X chromosome in female mammals
Which statement about X inactivation is not true?
In extra embryonic membranes, only the paternal X is activated
At what stage does the onset of X inactivation vary with respect to?
Blastocyst and embryonic stage
.What is the function of Xist RNA during X inactivation?
Spreads to coat the inactive X chromosome and does not interact directly with DNA
.What is the function of Xce in relation to the X chromosome?
Controls the activity of Xist RNA
.What is the purpose of Xic (X chromosome-inactivation center)?
To initiate X inactivation on one of the X chromosomes
Learn about X inactivation and its significance in the field of biological technology. This quiz covers the principles and applications of X inactivation in medical, pharmaceutical, agricultural, and environmental sectors.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
