What are telomeres and what is their major function?
What will be an ideal response?
Ans: Telomeres are structures at the ends of linear eukaryotic chromosomes that confer stability to the chromosomal ends. Ends lacking telomeres are "sticky" and tend to attach to other such broken ends.
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Telomerase activity in stem cells is very low
A. true B. false
Which group of fungi has hyphae that are multinucleate and not divided by septa?
a. monokaryotic b. unicellular c. ascomycete d. coenocytic e. sporophyllous
Which chromosomal arrangements are assured by the gametes that are produced by independent assortment?
a. chromosomes containing genes from the paternal and maternal chromosomes b. some paternal chromosomes and some maternal chromosomes c. only maternal chromosomes d. only paternal chromosomes
A process in which a sister chromatid inherited from the mother and a sister chromatid inherited from the father pair up and form tetrads and exchange DNA to form genetically diverse gametes is called ________
A) crossing over B) prophase C) cytokinesis D) cell cycle