Description : The stage during which separation of the paired homologous chromosomes begins is (1) Pachytene (2) Diplotene (3) Diakinesis (4) Zygotene
Last Answer : (2) Diplotene
Description : The enzyme recombinase is required at which stage of meiosis? (a) Pachytene (b) Zygotene (c) Diplotene (d) Diakinesis
Last Answer : (a) Pachytene
Description : Match the stages of meiosis in column I to their characteristic features in column II and select the correct option using the codes given below. Column I Column II A. Pachytene (i) Pairing of homologous chromosomes B. Metaphase I (ii) ... , C-(iii), D-(i) (d) A-(iv), B-(iii), C-(ii), D-(i)
Last Answer : (a) A-(iii), B-(iv), C-(ii), D-(i)
Description : Match the following with respect to meiosis. (A) Zygotene (i) Terminalization (B) Pachytene (ii) Chiasmata (C) Diplotene (iii)Crossing over (D) Diakinesis (iv) Synapsis
Last Answer : (b) (iv) (iii) (ii) (i)
Description : During meiosis I, the chromosomes start pairing at (a) zygotene (b) pachytene (c) diplotene (d) leptotene.
Last Answer : (a) zygotene
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 : 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 : Segregation of Mendelian factor (Aa) occurs during (a) diplotene (b) anaphase I (c) zygotene/pachytene (d) anaphase II.
Last Answer : b) anaphase I
Description : Dissolution of the synaptonemal complex occurs during (a) pachytene (b) zygotene (c) diplotene (d) leptotene
Last Answer : (c) diplotene
Description : Crossing-over occurs during (1) Leptotene (2) Zygotene (3) Pachytene (4) Diplotene
Last Answer : Pachytene
Description : In meiosis crossing over is initiated at (a) zygotene (b) diplotene (c) pachytene (d) leptotene.
Last Answer : (c) (ii), (i), (iv), (iii)
Description : Match the columns-I with column-II and select the correct answer :- `{:(" Column-I"," Column-II"),("(A)Pachytene","(i)Bouqute stage"),("(B)Zygotene","
Last Answer : Match the columns-I with column-II and select the correct answer :- `{:(" Column-I"," Column-II"),("(A)Pachytene", ... D. A-ii, B-iii, C-iv, D-i, E-v
Description : Crossing-over occurs during (1) Leptotene (2) Zygotene (3) Path ene (4) Diplotene
Last Answer : (3) Path ene Explanation: Chromosomal crossover (or crossing over) is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes. It is one of the ... recombination, which occurs during prophase I of meiosis (pachytene) during a process called synapsis.
Description : What paired set of homologous chromosomes each composed of two sister chromatids?
Last Answer : What is the answer ?
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 : 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 : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex helps in synapsis of non homologous chromo
Last Answer : Assertion :- Zygotene is charactersed by formation of synaptonemal complex . Reason :- Synoptonemal complex ... If both Assertion & Reason are false.
Description : What stage are there homologous chromosomes lined up down the middle of the cell?
Last Answer : Metaphase 1
Description : In which stage of meiosis do homologous chromosomes separate?
Last Answer : Need answer
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 incorrect match. (a) Lampbrush – Diplotene bivalents chromosomes (b) Allosomes – Sex chromosomes (c) Sub-metacentric – L-shaped chromosomes chromosomes (d) Polytene – Oocytes of chromosomes amphibians
Last Answer : (d) Polytene – Oocytes of chromosomes amphibians
Description : Select the incorrect match : (1) Lampbrush – Diplotene bivalents chromosomes (2) Allosomes – Sex chromosomes (3) Submetacentric – L-shaped chromososmes chromosomes (4) Polytene – Oocytes of amphibians chromosomes
Last Answer : (4) Polytene – Oocytes of amphibians chromosomes
Description : Morphology of Chromosomes can be best studied at - (1) Interphase (2) Prophase (3) Metaphase (4) Zygotene
Last Answer : (3) Metaphase Explanation: The morphology of the chromosomes can be distinctly studied at metaphase stage of cell division because at this stage chromosomes are in highly condensed ... constriction (centromere), Secondary constriction (nucleolar organizer), satellite, telomere, and chromosmere.
Description : Morphology of Chromosomes can be best studied at (1) Interphase (2) Prophase (3) Metaphase (4) Zygotene
Last Answer : Metaphase
Description : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati
Last Answer : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of ... D. If both Assertion & Reason are false.
Description : Homologous chromosomes segregate during -Biology
Last Answer : answer:
Description : What happens to each pair of duplicated homologous chromosomes during meiosis 1?
Description : What random distribution of homologous chromosomes during meiosis?
Description : What are homologous chromosomes? -Biology
Description : When do homologous chromosomes separate? -Biology
Description : When homologous chromosomes crossover what occurs? -Biology
Description : Why are homologous chromosomes not identical? -Biology
Description : Homologous chromosomes versus sister chromatids. -Biology
Description : Why do homologous chromosomes pair up? -Biology
Description : Are homologous chromosomes genetically identical? -Biology
Description : Homologous chromosomes are pulled apart in -Biology
Description : The complex formed by a pair of synapsed homologous chromosomes is called
Last Answer : The complex formed by a pair of synapsed homologous chromosomes is called A. Axoneme B. Equatorial plate C. Kinetochore D. Bivalent
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 : Pairing of homologous chromosomes is called :-
Last Answer : Pairing of homologous chromosomes is called :- A. Disjunction B. Synapsis C. Segregation D. Polyteny
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 : Which of these statements about homologous autosomal chromosomes is true?
Last Answer : each of a homologous pair is the same size and shape as itspartner
Description : Exchange of chromatin between non-sister chromatids of homologous chromosomes is known as
Last Answer : Ans. Crossing over
Description : How many pairs of homologous chromosomes do humans have?
Last Answer : Ans. 23 (II) Plant Breeding
Description : What are homologous chromosomes ?
Last Answer : Which are the human cells that do not have homologous chromosomes? Chromosomes contain genes (genetic information in the form of nucleotide sequences) that command the protein synthesis thus ... chromosomes are the gametes since during meiosis the homologous chromosomes are separated.
Description : Independent assortment of genes does not take place when (a) genes are located on homologous chromosomes (b) genes are linked and located on same chromosome (c) genes are located on non-homogenous chromosome (d) all of these.
Last Answer : genes are linked and located on same chromosome
Description : Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.
Last Answer : (c) two homologous chromosomes
Description : The complex formed by a pair of synapsed homologous chromosomes is called (a) bivalent (b) axoneme (c) equatorial plate (d) kinetochore.
Last Answer : (a) bivalent
Description : .In salivary gland chromosomes/polytene chromosomes, pairing is (a) absent (b) occasional (c) formed between non-homologous chromosomes (d) formed between homologous chromosomes.
Last Answer : (d) formed between homologous chromosomes.
Description : Which of the following type of recombination does not require homologous sequences and isutilized by mobile genetic elements that move about chromosomes? A.Mutagenicrecombimation B.Site-specific recombination C.Replicative recombination D.General recombination
Last Answer : C.Replicative recombination