NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

CELL CYCLE

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which phase of the cell cycle ensures that identical copies the parent cell DNA are made for the daughter cells?

A	G1
B	Mitosis
C	G2
D	S phase

Explanation:

Detailed explanation-1: -Mitosis is a fundamental process for life. During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells.

Detailed explanation-2: -Anaphase ensures that each daughter cell receives an identical set of chromosomes, and it is followed by the fifth and final phase of mitosis, known as telophase.

Detailed explanation-3: -S phase is the period during which DNA replication occurs.

Detailed explanation-4: -During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells.

Detailed explanation-5: -In the S phase (synthesis phase), DNA replication results in the formation of two identical copies of each chromosome-sister chromatids-that are firmly attached at the centromere region. At this stage, each chromosome is made of two sister chromatids and is a duplicated chromosome.

There is 1 question to complete.