Distinguish between the anaphase of mitosis and the anaphase $I$ of meiosis.
(N/A)
| Anaphase of mitosis | Anaphase $I$ of meiosis |
|---|---|
| Anaphase is the stage during which the centromere splits and the sister chromatids separate. | During anaphase $I$,the homologous chromosomes separate,while the sister chromatids remain attached at their centromeres. |
| The separated chromatids (now daughter chromosomes) move toward the opposite poles. | The homologous chromosomes move toward the opposite poles. |
| These chromosomes are genetically identical to each other. | The chromosomes moving to opposite poles are genetically different due to crossing over. |
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Similar Questions
Chromosomes become short,dense,and distinct,each chromosome consists of a centromere and two chromatids,and the nucleolus and nuclear envelope disappear. During which phase are these changes observed?
Difficult
View SolutionMatch the following columns and select the correct option:
Column-$I$ Column-$II$ $(1)$ $G_1$-phase $(a)$ Interval between $DNA$ replication and $M$-phase $(2)$ $G_2$-phase $(b)$ Interval between $G_2$ and $G_1$ phase $(3)$ $S$-phase $(c)$ Interval between $M$ and $DNA$ replication $(4)$ $M$-phase $(d)$ Interval between the beginning and end of interphase
| Column-$I$ | Column-$II$ |
| $(1)$ $G_1$-phase | $(a)$ Interval between $DNA$ replication and $M$-phase |
| $(2)$ $G_2$-phase | $(b)$ Interval between $G_2$ and $G_1$ phase |
| $(3)$ $S$-phase | $(c)$ Interval between $M$ and $DNA$ replication |
| $(4)$ $M$-phase | $(d)$ Interval between the beginning and end of interphase |
Medium
View SolutionWhich of the following options gives the correct sequence of events during mitosis?
MediumNEET 2017
View SolutionIdentify the correct statements.
$(i)$ Somatic cells undergo mitosis,and germ cells undergo meiosis.
$(ii)$ During mitosis,$DNA$ replicates once for one cell division,and in meiosis,$DNA$ replicates twice for two cell divisions.
$(iii)$ Meiosis and mitosis are observed in organisms that reproduce both sexually and asexually.
$(i)$ Somatic cells undergo mitosis,and germ cells undergo meiosis.
$(ii)$ During mitosis,$DNA$ replicates once for one cell division,and in meiosis,$DNA$ replicates twice for two cell divisions.
$(iii)$ Meiosis and mitosis are observed in organisms that reproduce both sexually and asexually.
Medium
View SolutionMatch the description (given in Column $I$) with the correct stage (given in Column $II$) and choose the correct option.
Column $I$ Column $II$ $A$. Chromosomes are moved to spindle equator $I$. Pachytene $B$. Centromere splits and chromatids move apart $II$. Zygotene $C$. Pairing between homologous chromosomes takes place $III$. Anaphase $D$. Crossing over between homologous chromosomes $IV$. Metaphase
| Column $I$ | Column $II$ |
| $A$. Chromosomes are moved to spindle equator | $I$. Pachytene |
| $B$. Centromere splits and chromatids move apart | $II$. Zygotene |
| $C$. Pairing between homologous chromosomes takes place | $III$. Anaphase |
| $D$. Crossing over between homologous chromosomes | $IV$. Metaphase |
MediumAIIMS 2017
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