FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is the first step in mitosis?
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anaphase
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telophase
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prophase
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metaphase
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Explanation:
Detailed explanation-1: -In prophase, the first step in mitosis, the nuclear envelope breaks down and chromosomes condense and become visible.
Detailed explanation-2: -Mitosis is conventionally divided into 5 phases, which include prophase, prometaphase, metaphase, anaphase and telophase and cytokinesis.
Detailed explanation-3: -Leptotene – The chromosomes begin to condense and are attached to the nuclear membrane via their telomeres. Zygotene – Synapsis begins with a synaptonemal complex forming between homologous chromosomes. Pachytene – Crossing over of genetic material occurs between non-sister chromatids. More items
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