Description : Which of the following not occurs in Anaphase -I
Last Answer : Which of the following not occurs in Anaphase -I A. Segregation of homologous chromosomes B ... movement of chromosomes D. Division of centromere
Description : Which of the following not ocurs in Anaphase-1 but occurs in Anaphase-II :-
Last Answer : Which of the following not ocurs in Anaphase-1 but occurs in Anaphase-II :- A. ... Contraction of spindle fibers D. Splitting of centromere
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 : Segregation of Mendelian factors (no linkage, no crossing over) occurs during (a) anaphase I (b) anaphase II (c) diplotene (d) metaphase I.
Last Answer : a) anaphase I
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 : Who had proposed the chromosomal theory of the inheritance? -Biology
Last Answer : answer:
Description : Where is chromosomal DNA located? -Biology
Description : What is chromosomal DNA? -Biology
Description : When does replication of chromosomal DNA occur? -Biology
Description : Why is chromosomal DNA stored at 4 degrees? -Biology
Description : Chromosomal DNA contamination. -Biology
Description : Chromosomal DNA is duplicated in -Biology
Description : Given below is the presentation of a kind of chromosomal mutation : What is the kind of mutation represented
Last Answer : Given below is the presentation of a kind of chromosomal mutation : What is the kind of ... B. duplication C. inversion D. reciprocal translocation
Description : Chromosomal basis of sex determination was discovered in the plant :
Last Answer : Chromosomal basis of sex determination was discovered in the plant : A. Rumex B. Melandrium C. Concinia D. Spharocarpus
Description : Ras proto-oncogene is converted into oncogene by (A) A point mutation (B) Chromosomal translocation (C) Insertion of a viral promoter upstream of the gene (D) Gene amplification
Last Answer : Answer : A
Description : The eukaryotic nuclear chromosomal DNA (A) Is a linear and unbranched molecule (B) Is not associated with a specific membranous organelle (C) Is not replicated semiconservatively (D) Is about of the same size as each prokaryotic chromoses
Description : A DNA element which has the ability to move from one chromosomal position to another
Last Answer : Ans. Jumping gene
Description : Chromosomal theory of heredity was proposed by
Last Answer : Ans. W. Sutton (1902)
Description : Who gave the chromosomal theory of Inheritance?
Last Answer : Ans. Sutton and Boveri
Description : A self replicating, extra-chromosomal genetic material found in plant cell
Last Answer : Ans. Plastids
Description : Which chromosomal combination is responsible for maleness in man? (1) XO (2) XXX (3) XX (4) XY
Last Answer : Explanation: In the XY sex-determination system, the female-provided ovum contributes an X chromosome and the male-provided sperm contributes either an X chromosome or a Y chromosome, resulting in female (XX) or male (XY) offspring, respectively.
Description : Frozen tissue section of a lymph node biopsy from the neck of an old dog shows granulomatous inflammation with large areas of necrosis. Which one would be most important to do? C A. cell surface markers for lymphocyte identification B. chromosomal analysis by karyotyping
Last Answer : cultures for acid fast bacilli and fungi
Description : An analysis of chromosomal DNA using the Southern hybridization technique does not use (a) electrophoresis (b) blotting (c) autoradiography (d) PCR.
Last Answer : (d) PCR.
Description : Mental retardation in man, associated with sex chromosomal abnormality is usually due to (a) moderate increase in Y complement (b) large increase in Y complement (c) reduction in X complement (d) increase in X complement.
Last Answer : (d) increase in X complement.
Description : .Which one of the following conditions in humans is correctly matched with its chromosomal abnormality/linkage? (a) Erythroblastosis fetalis - X-linked (b) Down’s syndrome - 44 autosomes + XO (c) Klinefelter’s syndrome - 44 autosomes + XXY (d) Colour blindness - Y-linked
Last Answer : (c) Klinefelter’s syndrome - 44 autosomes + XXY
Description : Which of the following most appropriately describes haemophilia? (a) Chromosomal disorder (b) Dominant gene disorder (c) Recessive gene disorder (d) X-linked recessive gene disorder
Last Answer : (d) X-linked recessive gene disorder
Description : Inheritance of skin colour in humans is an example of (a) point mutation (b) polygenic inheritance (c) codominance (d) chromosomal aberration.
Last Answer : (b) polygenic inheritance
Description : Experimental verification of the chromosomal theory of inheritance was done by (a) Mendel (b) Sutton (c) Boveri (d) Morgan.
Last Answer : Morgan
Description : Which one of the following does not differ in E.coli and Chlamydomonas? (a) Ribosomes (b) Chromosomal organization (c) Cell wall (d) Cell membrane
Last Answer : (d) Cell membrane
Description : n bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.
Last Answer : (a) extra chromosomal material
Description : In bacteria, plasmid is (a) extra chromosomal material (b) main DNA (c) non functional DNA (d) repetitive gene.
Description : Genomic islands are a. Gene Sequences Not Part Of The Chromosomal Genes. b. Adjacent Gene Sequences Unique To One Or A Few Strains In A Species. c. Acquired By HGT. d. Both B And C Are Correct.
Last Answer : d. Both B And C Are Correct.
Description : The following statement is not true of sulbactam: A. It is a broad spectrum β-lactamase inhibitor B. It does not augment the activity of ampicillin against bacteria that are sensitive ... β-lactamases D. Combined with ampicillin, it is highly effective against penicillinase producing N. gonorrhoeae
Last Answer : C. It induces chromosomal β-lactamases
Description : The most common mechanism of development of resistance to fluoroquinolones is: A. Chromosomal mutation altering affinity of target site B. Plasmid transfer C. Acquisition of drug destroying enzyme D. Acquisition of alternative metabolic pathway
Last Answer : A. Chromosomal mutation altering affinity of target site
Description : Which of the following are capable of causing chromosomal mutations? a) hydrogen peroxide b) high body temperature c) X-rays d) all of the above
Last Answer : ANSWER: D -- ALL OF THE ABOVE
Description : Which chromosomal combination is responsible for maleness in man ? (1) XO (2) XXX (3) XX (4) XY
Last Answer : XY
Description : What is the main event of anaphase? -Biology
Description : What happens to the chromosomes during anaphase? -Biology
Description : What happens during anaphase of mitosis? -Biology
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 : Assertion :- In anaphase number of chromosomes get doubled. Durring anaphase each chromosome split simultaneously and two daughter chromatids now refe
Last Answer : Assertion :- In anaphase number of chromosomes get doubled. Durring anaphase each chromosome split ... 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 : 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 : In Anaphase-I each chromosme composed of :-
Last Answer : In Anaphase-I each chromosme composed of :- A. One chromatid B. Two chromatid C. Four chromatid D. Many chromatid
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 : 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 : When each chromosome gets pulled apart during anaphase of mitosis each half of each chromosome is what?
Last Answer : Feel Free to Answer
Description : What happens during meiosis during anaphase 1?
Last Answer : The tetrads are pulled apart.