Mitotic crossing over takes place in
- ANormal mitosis
- BNormal sexual cycle
- CParasexual cycle
- DLytic cycle
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Similar Questions
Match the following:
Column-$I$ Column-$II$ $A$. $G_2$-phase $1$. First phase of prophase-$I$ $B$. Anaphase $2$. Proteins are synthesized in preparation for mitosis $C$. Leptotene $3$. Terminalisation of chiasmata $D$. Diakinesis $4$. Centromeres split and chromatids separate
| Column-$I$ | Column-$II$ |
| $A$. $G_2$-phase | $1$. First phase of prophase-$I$ |
| $B$. Anaphase | $2$. Proteins are synthesized in preparation for mitosis |
| $C$. Leptotene | $3$. Terminalisation of chiasmata |
| $D$. Diakinesis | $4$. Centromeres split and chromatids separate |
Medium
View SolutionSelect the correct option $:-$
Column $-I$ Column $-II$ $(a)$ Synapsis aligns homologous chromosomes $(i)$ Anaphase$-I$ $(b)$ Synthesis of tubulin protein $(ii)$ Zygotene $(c)$ Action of enzyme recombinase $(iii)$ $G_2$-phase $(d)$ Centromeres split and chromatids move towards opposite poles $(iv)$ Anaphase$-II$ $(v)$ Pachytene
| Column $-I$ | Column $-II$ |
|---|---|
| $(a)$ Synapsis aligns homologous chromosomes | $(i)$ Anaphase$-I$ |
| $(b)$ Synthesis of tubulin protein | $(ii)$ Zygotene |
| $(c)$ Action of enzyme recombinase | $(iii)$ $G_2$-phase |
| $(d)$ Centromeres split and chromatids move towards opposite poles | $(iv)$ Anaphase$-II$ |
| $(v)$ Pachytene |
Medium
View Solution$A$: $DNA$ replication occurs only once in meiosis.
$R$: Exchange of $DNA$ in chromosomes is seen in mitosis.
$R$: Exchange of $DNA$ in chromosomes is seen in mitosis.
Medium
View SolutionIf a cell has $10$ chromosomes at the anaphase stage of mitosis,how many chromosomes should a diploid cell have in this stage?
Medium
View SolutionMatch the following columns correctly:
Column-$I$ Column-$II$ $(A)$ Prophase $(i)$ Nuclear envelope and other organelles reform $(B)$ Metaphase $(ii)$ Chromosomes align at the equator $(C)$ Anaphase $(iii)$ Formation of spindle fibers $(D)$ Telophase $(iv)$ Splitting of centromere and chromatid separation $(E)$ Cytokinesis $(v)$ Formation of multinucleated condition
| Column-$I$ | Column-$II$ |
| $(A)$ Prophase | $(i)$ Nuclear envelope and other organelles reform |
| $(B)$ Metaphase | $(ii)$ Chromosomes align at the equator |
| $(C)$ Anaphase | $(iii)$ Formation of spindle fibers |
| $(D)$ Telophase | $(iv)$ Splitting of centromere and chromatid separation |
| $(E)$ Cytokinesis | $(v)$ Formation of multinucleated condition |
Medium
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