1. If a cell does not get a signal to pass the G1 checkpoint, what happens? A. I
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Question
1. If a cell does not get a signal to pass the G1 checkpoint, what happens?
A.
It stays in G1 indefinitely
B.
It starts replicating its DNA
C.
It enters G0 phase
2. The term for the joining together of homologous chromosomes during Prophase I of meiosis is which of the following?
A.
Synapsis
B.
Chiasma
C.
Crossover
3. During mitosis, microtubules first interact with chromosomes at which stage?
A.
Prometaphase
B.
Interphase
C.
Anaphase
D.
Cytokinesis
A.
It stays in G1 indefinitely
B.
It starts replicating its DNA
C.
It enters G0 phase
Explanation / Answer
1. c. It enters G0 phase.
If a cell does not get a signal to pass the G1 checkpoint, it enters into the resting G0 phase.
2. A. Synapsis.
During Prophase I of meiosis, the homologous chromosomes join together and this is known as synapsis.
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