Description : A stage of mitosis is shown in the diagram. Which stage is it and what are its characteristics? (a) Metaphase - Spindle fibers attached to kinetochores, centromeres split and chromatids ... chromatids separate and start moving away. (d) Late prophase - Chromosomes move to spindle equator.
Last Answer : (b) Metaphase - Chromosomes moved to spindle equator, chromosomes made up of two sister chromatids.
Description : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each chromosome. Reason:- Durring different stages of ce
Last Answer : Assertion:- A single human cell has approximately two meter long thread of DNA distributed in each ... D. If both Assertion & Reason are false.
Description : The number of chromatids in a chromosome at anaphase is
Last Answer : The number of chromatids in a chromosome at anaphase is A. One in mitosis, one in meiosis-I and ... mitosis, two in meiosis-I and two in meiosis-II
Description : $ The two strands of a chromosome are called sister chromatids ! The two sister chromatids get separated during Anaphase.
Last Answer : $ The two strands of a chromosome are called sister chromatids ! The two sister chromatids get separated during ... D. If both As and R are wrong.
Description : Mitotic anaphase differs from metaphase in possessing (a) same number of chromosomes and same number of chromatids (b) half number of chromosomes and half number of chromatids (c) half number of ... and same number of chromatids (d) same number of chromosomes and half number of chromatids.
Last Answer : (d) same number of chromosomes and half number of chromatids.
Description : Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres. (a) Metaphase I (b) Metaphase II (c) Anaphase I (d) Anaphase I
Last Answer : (c) Anaphase I
Description : Select the correct option. Column I Column II A. Synapsis aligns (i) Anaphase II homologous chromosomes B. Synthesis of (ii) Zygotene RNA and protein C. Action of enzyme (iii)G2-phase recombinase D. Centromeres do (iv) Anaphase I not ... ), C-(iii), D-(iv) (d) A-(ii), B-(iii), C-(v), D-(iv)
Last Answer : (d) A-(ii), B-(iii), C-(v), D-(iv)
Description : Select the correct option with respect to mitosis. (a) Chromatids separate but remain in the centre of the cell in anaphase. (b) Chromatids start moving towards opposite poles in telophase. (c ... . (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
Last Answer : (d) Chromosomes move to the spindle equator and get aligned along equatorial plate in metaphase.
Description : At what stage do each chromosome split vertically to form two chromatids ?
Last Answer : Each chromosome splits vertically to form two chromatids in the prophase step.
Description : Multiple alleles are present (a) at the same locus of the chromosome (b) on non-sister chromatids (c) on different chromosomes (d) at different loci on the same chromosome
Last Answer : (a) at the same locus of the chromosome
Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cell. If APC is defective in a human cell, which of the following is expected to ... will not segregate. (c) Recombination of chromosome arms will occur. (d) Chromosomes will not condense
Last Answer : (b) Chromosomes will not segregate.
Description : Anaphase Promoting Complex (APC) is a protein degradation machinery necessary for proper mitosis of animal cells. If APC is defective in a human cell, which of the following is expected to occur ... will not segregate (3) Recombination of chromosome arms will occur (4) Chromosomes will not condense
Last Answer : (2) Chromosomes will not segregate
Description : A stage in cell division is shown in the figure. Select the answer which gives correct identification of the stage with its characteristics. (a) Cytokinesis Cell plate formed, mitochondria ... reforms. (d) Late anaphase Chromosomes move away from equatorial plate, Golgi complex not present.
Last Answer : (c) Telophase Nuclear envelope reforms,Golgi complex reforms.
Description : In meios-I, the Centro mere undergoes: (a) Division between anaphase and Interphase (b) Division between prophase and metaphase (c) Division but the daughter chromosomes do not separate (d) No division
Last Answer : Ans. ((d))
Description : Mitosis is a type of cell division in which - (1) The chromosomes maintain their original number (2) The chromosome number is reduced to half (3) The Chromosome number is doubled (4) The chromosome number is reduced to one fourth
Last Answer : (3) The Chromosome number is doubled
Description : In animal cell xhich structure is thougth to produce the spindle fibres that help separate the sister chromatids during anaphase?
Last Answer : What is the answer ?
Description : The chromatids become visible in a. interphase b. prophase c. anaphase d. metaphase
Last Answer : prophase
Description : Assertion:- Centrioles are essential for mintenance of confinuity of cells in animals. Reason:- Centrioles give rise to spindle apparatus durring divi
Last Answer : Assertion:- Centrioles are essential for mintenance of confinuity of cells in animals. Reason:- Centrioles ... . If both Assertion & Reason are false.
Description : Plasmids are a. Another Name for Transposons. b. Accessory Genetic Information. c. Domains within A Chromosome. d. Daughter Chromosomes.
Last Answer : b. Accessory Genetic Information.
Description : At the beginning of which phase of mitosis does each duplicated and condensed chromosome consisting of two identical sister chromatids align along the cell equator?
Last Answer : Metaphase
Description : Each chromosome consists of two identical (A) Genes (B) Nuclei (C) Chromatids (D) Bases
Last Answer : (C) Chromatids
Description : At anaphase -II of meiosis each chromosome contains:-
Last Answer : At anaphase -II of meiosis each chromosome contains:- A. 4 DNA B. 3- DNA C. 2- DNA D. 1- DNA
Description : When each chromosome gets pulled apart during anaphase of mitosis each half of each chromosome is what?
Last Answer : Feel Free to Answer
Description : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :-
Last Answer : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :- A. 23 B. 46 C. 92 D. 69
Description : What paired set of homologous chromosomes each composed of two sister chromatids?
Description : Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of chromosomes in daughter cells.
Last Answer : Assertion : Meiosis is also known as reduction division. Reason : Meiosis reduces the number of ... D. If both Assertion & Reason are false.
Description : After meiosis - I, the two chromatids of a chromosome are :-
Last Answer : After meiosis - I, the two chromatids of a chromosome are :- A. Genetically similar B. ... chromatid in each chromosome D. None of the above
Description : The two chromatids of a metaphase chromosome represent
Last Answer : The two chromatids of a metaphase chromosome represent A. replicated DNA to be separated ... and paternal chromosomes joined at the centromere
Description : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-
Last Answer : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome ... 20(Twenty) C. 30(Thirty) D. 40(Forty)
Description : What happen to chromosome during anaphase?
Last Answer : what happens to chromosomes during anaphase
Description : Polyploidy arises due to change in the (1) number of chromatids (2) structure of genes (3) number of chromosomes (4) structure of chromosomes
Last Answer : (3) number of chromosomes Explanation: An organism having more than two sets of homologous chromosomes is known as polyploid and the phenomenon polyploidy. Polyploidy refers to a numerical change in ... due to abnormal cell division, either during mitosis, or commonly during metaphase I in meiosis.
Last Answer : number of chromosomes
Description : In which stage of mitosis, the chromosomes are composed of two chromatids ?
Last Answer : In which stage of mitosis, the chromosomes are composed of two chromatids ? A. Prophase & ... C. Prophase and telophase D. Metaphase and anaphase
Description : Homologous chromosomes versus sister chromatids. -Biology
Last Answer : answer:
Description : Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain associated at their centrometres. Or In whic
Last Answer : Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain ... II C. Metaphase I D. Metaphase II
Description : What and the difference between homologous chromosomes and sister chromatids?
Last Answer : Homologous chromosomes is a pair made of a paternal and maternalchromosomes. But sister chromatid is either pairs of paternal ormaternal chromosomes
Description : Exchange of chromatin between non-sister chromatids of homologous chromosomes is known as
Last Answer : Ans. Crossing over
Description : Meiosis I is reductional division. Meiosis II is equational division due to (a) pairing of homologous chromosomes (b) crossing over (c) separation of chromatids (d) disjunction of homologous chromosomes.
Last Answer : (c) separation of chromatids
Description : Meiosis II performs (a) separation of sex chromosomes (b) synthesis of DNA and centromere (c) separation of homologous chromosomes (d) separation of chromatids.
Last Answer : d) separation of chromatids.
Description : Crossing over takes place between which chromatids and in which stage of the cell cycle ? (a) Non-sister chromatids of non-homologous chromosomes at Zygotene stage of prophase I. (b) Non- ... prophase I. (d) Non-sister chromatids of non-homologous chromosomes at Pachytene stage of prophase I.
Last Answer : (b) Non-sister chromatids of homologous chromosomes at Pachytene stage of prophase I.
Description : What happens to the chromosomes during anaphase? -Biology
Description : Separation of homologous chromosomes during Anaphase -I is called:-
Last Answer : Separation of homologous chromosomes during Anaphase -I is called:- A. Synapsis B. Disjunction C. Nondisjunction D. Crossing over
Description : If you are provided with root-tips of onion in your class and are asked to count the chromosomes, which of the following stages can you most conveniently look into? (a) Metaphase (b) Telophase (c) Anaphase (d) Prophase
Last Answer : (a) Metaphase
Description : How does the number of chromosomes in each of the daughter cells produced in mitosis compared to the number of chromosomes in the original cell?
Last Answer : In which phase of plant cell mitosis is the most time spent? Inwhich phase of animal cell mitosis?
Description : Can somebody please supply me with the scene from army of two where durring an air guitar a character says "Ladies lift your shirts!"
Last Answer : wait what? All you do is go to your partner and push “A” and he does it randomly
Description : Durring which stage a diploid cell becomes tetraploid in mitosis:-
Last Answer : Durring which stage a diploid cell becomes tetraploid in mitosis:- A. `G_(2)` B. Prophae C. Metaphase D. Anaphase
Description : Assertion :- Each chromatid is attached with two spindle fibres during S-phase :- Reason :- During Anaphse-I each chromosome is found in bivalent form
Last Answer : Assertion :- Each chromatid is attached with two spindle fibres during S-phase :- Reason :- During ... . D. If both Assertion & Reason are false.
Description : Nondisjunction of a chromosome results in which of the following diagnoses? a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two ... genetic condition that may occur in a single family member as a result of spontaneous mutation.
Last Answer : a) Down Syndrome When a pair of chromosomes fails to separate completely and creates a sperm or oocyte that contains two copies of a particular chromosome (nondisjunction) Down syndrome results from three number 21 chromosomes.
Description : If a diploid cell contains twenty eight chromosomes and it goes through meiosis how many chromosomes will each daughter cell have?