Description : The major genetic constituent of chromosome
Last Answer : Ans. DNA
Description : Basic chromosome/Genomic number is
Last Answer : Ans. X
Description : Hyperploid have one extra chromosome
Last Answer : Ans. Trisonic (2n+1)
Description : Which part of the chromosome is known as primary constriction?
Last Answer : Ans. Centromere
Description : What is the fundamental unit of chromosome?
Last Answer : Ans. Chromatin
Description : Who coined the term chromosome?
Last Answer : Ans. Waldeyer (1888)
Description : Who firstly discovered chromosome?
Last Answer : Ans. Strasburger (1875)
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 : 1. Genetic material in bacterium is a single chromosome made up of circular and coiled _______.
Last Answer : Fill in the blanks. 1. Genetic material in bacterium is a single chromosome made ... cells are known as extrachromosomal selfreplicating DNA.
Description : Down Syndrome, a congenital genetic disorder in human beings, is cased by : (a) a defective recessive gene in homozygous condition (b) an extra x chromosome (c) trisomy of chromosome 18 (d) trisomy of chromosome 21
Last Answer : Ans:(d)
Description : Production of a human protein in bacteria by genetic engineering is possible because (a) the human chromosome can replicate in bacterial cell (b) the mechanism of gene regulation is identical in ... ) bacterial cell can carry out the RNA splicing reactions (d) the genetic code is universal.
Last Answer : (d) the genetic code is universal.
Description : .Identify the correct order of organisation of genetic material from largest to smallest. (a) Genome, chromosome, gene, nucleotide (b) Chromosome, genome, nucleotide, gene (c) Chromosome, gene, genome, nucleotide (d) Genome, chromosome, nucleotide, gene (
Last Answer : (a) Genome, chromosome, gene, nucleotide
Description : Genetic identity of a human male is determined by (a) sex-chromosome (b) cell organelles (c) autosome (d) nucleolus.
Last Answer : a) sex-chromosome
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 : Which one of the following statements about the nucleoid is NOT true? a. It contains a DNA chromosome. b. It represents a nonmembranous subcompartment. c. It represents an area devoid of ribosomes. d. It contains nonessential genetic information.
Last Answer : d. It contains nonessential genetic information.
Description : What genetic term describes the situation when a part of a chromosome is broken off and lost?
Last Answer : ANSWER: CHROMOSOMAL DELETION
Description : This female American geneticist achieved recognition as one of the world's foremost investigators in cytogenetics, the study of heredity by cellular and genetic methods. In 1951 she discovered that gene ... was awarded the Nobel Prize in medicine in 1983. Who is this notable woman scientist?
Last Answer : ANSWER: (BARBARW) McCLINTOCK
Description : Francis Crick’s seminal concept that in nature genetic information generally flows from DNA to RNA to protein.
Last Answer : Ans. Central Dogma
Description : Molecular scissors used in genetic engineering
Last Answer : Ans. Restriction endonuclease
Description : A bacterium used in genetic engineering
Last Answer : Ans. E-coli (Agrobacterium rhizogenes)
Description : Father of genetic engineering
Last Answer : Ans. Paul Berg
Description : The molecule which helps in decoding genetic information carried by DNA
Last Answer : Ans. RNA
Description : The molecule which encodes genetic information
Description : An exact genetic replica of a specific gene or an entire organism.
Last Answer : Ans. Clone
Description : Natural genetic engineer
Last Answer : Ans. Agrobacterium (III) Seed Science
Description : The science, which helps in changing the genetic make-up of plants in such a way that they give rise to the maximum economic product for human use.
Last Answer : Ans. Plant Breeding
Description : Transfer of genetic material from m-RNA to Protein
Last Answer : Ans. Translation
Description : The process of using information (genetic material) from DNA to construct m-RNA
Last Answer : Ans. Transcription
Description : A self replicating, extra-chromosomal genetic material found in plant cell
Last Answer : Ans. Plastids
Description : What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology
Last Answer : The ratio of chromosome number between egg· and its zygote is 1 : 2. An egg is a female gamete, it has haploid number of chromosomes. ... Sperms and eggs are genetically different in terms ... chromosome. The sperm contain either X or Y-chromosome whereas an egg will always have an X-chromosome.
Description : Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology
Last Answer : How is the constancy maintained in these three stages? Answer. Yes, zygote, embryonic cell and adult of a particular organism always constant have constant chromosome number. Sexual reproduction includes gamete formation through meiosis and fertilization.
Description : What is the number of chromosome in a normal human body cell? -Do You Know?
Last Answer : 46 chromosomes Humans have 23 pairs of chromosomes, for a total of 46 chromosomes
Last Answer : in ants Chromosome Less Stays 3
Description : Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule?
Last Answer : Somatic chromosome number is 40. what shall be chromosome number in the cells of seminiferous tubule? A. 40 B. 20 C. 10 D. 40 and 20
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 chromosome groups at the equatorial plate in metaphase-I of meiosis in a plant with 2n=50 shall be
Last Answer : The number of chromosome groups at the equatorial plate in metaphase-I of meiosis in a plant with 2n=50 shall be A. 50 B. 100 C. 75 D. 25
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 number of DNA in chromosome at `G_(2)` stage of cell cycle
Last Answer : The number of DNA in chromosome at `G_(2)` stage of cell cycle A. One B. Two C. Four D. Eight
Description : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What would be the number of DNA and chromosome in anaphas
Last Answer : A cell examined during prophase of cell cycle contained 100 units of DNA and 50 chromosomes. What ... & 100 chromosomes D. 50 DNA & 25 chromosomes
Description : What is the haploid number of chromosome in corn?
Last Answer : 10
Description : What is the chromosome number found in humans after meiosis is completed?
Last Answer : Need answer
Description : What is A cell or organism having half of the diploid chromosome number?
Description : What is the diploid chromosome number for humans and ensp and ensp and ensp and ensp and ensp?
Last Answer : The human genome contains 23 chromosomes (n=23) so the diploidcells contain, in a healthy person, exactly 46 chromosomes(2n=46).
Description : How do Sutton and observations about chromosomes number support the chromosome theory of inheritance?
Description : The chromosome number of paddy
Last Answer : Ans.2n = 24.
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 : What is the chromosome number in a human ovum? (1) 24 (2) 46 (3) 48 (4) None of these
Last Answer : (2) 46 Explanation: Chromosomes are long Stringy aggregates of genes that carry heredity information. They are composed of DNA and proteins and are located within the nucleus of our cells. Chromosomes determine ... for a total of 46. There are 22 pairs of autosomes and one pair of sex chromosomes.
Description : Abnormalities in chromosome number give rise to diseases of karyotype. How might these aberrations occur?
Last Answer : Under usual conditions of meiotic division, each tetrad separates into its constituent homologous chromosomes. One homologue migrates to one pole and the other homologue to the opposite pole during ... and internal inversion of chromosomes or chromosome parts may also produce diseases of karyotype.
Description : Which cell division helps to maintain the chromosome number of a species?
Last Answer : Meiosis
Description : Common origin of man and chimpanzee is best shown by (a) binocular vision (b) chromosome number (c) dental formula (d) cranial capacity.
Last Answer : (b) chromosome number