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NEET UG BIOLOGY MCQ: CELL-CYCLE & CELL DIVISION
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What would be the number of chromosomes in phase and DNA amount in meiotic I products (B) in a dividing cell if meiocyte has 30 chromosomes with 20 picogram DNA?
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Correct option: D
Option D () is correct because in the S phase, the DNA content doubles, but the number of chromosomes remains the same. After meiosis I, the DNA content is halved, and the chromosome number is also halved.
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At metaphase of mitosis, each chromosome consists of ________ chromatid(s) _________ centromere(s) _________ kinetochore(s) and _________ molecule(s) of DNA.
Mitosis occurs in:
In which phase, DNA content will be doubled?
Assertion : Cell growth is a continuous process
in terms of cytoplasmic increase.
Reason : DNA synthesis occurs only during
two specific stages in the cell cycle. Interkinesis means What is the approximate duration of cell cycle for a mammalian cell?
in terms of cytoplasmic increase.
Reason : DNA synthesis occurs only during
two specific stages in the cell cycle. Interkinesis means What is the approximate duration of cell cycle for a mammalian cell?