Description : .Match the terms in column I with their description in column II and choose the correct option. Column I Column II A. Dominance (i) Many genes govern a single character B. Co-dominance (ii) In a heterozygous organism only one allele ... (i) (ii) (c) (ii) (i) (iv) (iii) (d) (ii) (iii) (iv) (i)
Last Answer : (d) (ii) (iii) (iv) (i)
Description : Is there a gene bank in the world that contains a sample of every known living organism?
Last Answer : answer:No, there is not one that contains every living organism. The world's largest seed bank is managed by the Agriculture Research Service of the United States Department of Agriculture. It holds more ... capacity to store up to 1 million. SciDevNet Here is an article on some of the largest.
Description : A transgenic organism is one that _____. a. Has Donated A DNA Fragment To Another Organism. b. Contains A Gene From Another Organism. c. Contains Useless "Genetic Debris." d. Has Exchanged Gene Loci Within The Organism.
Last Answer : b. Contains A Gene From Another Organism.
Description : what is the difference between gene and alleles -Biology
Last Answer : answer:
Description : A population is in Hardy-Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allel A is 0.7, the genotype frequency of
Last Answer : A population is in Hardy-Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allel A is ... .21 B. 0.42 C. 0.36 D. 0.7
Description : If a person has one copy of each of two different alleles (ie Bb) for a given gene the person is for that trait.?
Last Answer : Need answer
Description : Is a gene with multiple alleles three or more alleles of a single trait?
Last Answer : Feel Free to Answer
Description : What do we call a description of an individuals alleles for a paticular gene?
Last Answer : genotype
Description : When one alleles of a gene masks the presence of the other allele what form is masked?
Last Answer : The recessive allele.
Description : What is Probability of a gamete getting one of a parents two alleles of a gene?
Last Answer : 50% as there are two alleles per gene and four gametes are made from every undeveloped sex cell.
Description : A collection of plants and seed having diverse alleles of all the genes of a crop is called (a) herbarium (b) germplasm (c) gene library (d) genome.
Last Answer : (b) germplasm
Description : When two genetic loci produce identical phenotypes in cis and trans position, they are considered to be (a) multiple alleles (b) the parts of same gene (c) pseudoalleles (d) different genes
Last Answer : (c) pseudoalleles
Description : Haploids are able to express both recessive and dominant alleles/mutations because there are (a) many alleles for each gene (b) two alleles for each gene (c) only one allele for each gene in the individual (d) only one allele in a gene.
Last Answer : (c) only one allele for each gene in the individual
Description : ABO blood grouping is controlled by gene I which has three alleles and show co-dominance. There are six genotypes. How many phenotypes in all are possible? (a) Six (b) Three (c) Four (d) Five
Last Answer : (c) Four
Description : ABO blood groups in humans are controlled by the gene I. It has three alleles - IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur? (a) Three (b) One (c) Four (d) Two
Description : A test cross is carried out to (a) determine the genotype of a plant at F2 (b) predict whether two traits are linked (c) assess the number of alleles of a gene (d) determine whether two species or varieties will breed successfully.
Last Answer : (a) determine the genotype of a plant at F2
Description : Alleles are (a) different molecular forms of a gene (b) heterozygotes (c) different phenotype (d) true breeding homozygotes
Last Answer : Alleles are (a) different molecular forms of a gene (b) heterozygotes (c) different phenotype (d) true breeding homozygotes.
Description : A gene showing co-dominance has (a) alleles that are recessive to each other (b) both alleles independently expressed in the heterozygote (c) one allele dominant on the other (d) alleles tightly linked on the same chromosome.
Last Answer : (b) both alleles independently expressed in the heterozygote
Description : Identify the wrong statement with reference to the gene āIā that controls ABO blood groups. (a) The gene (I) has three alleles. (b) A person will have only two of the three alleles. (c) When IA and IB are present together, they express same type of sugar. (d) Allele i does not produce any sugar.
Last Answer : (c) When IA and IB are present together, they express same type of sugar.
Description : Situations in which one allele for a gene is not completely dominant over another allele for that gene are called a. multiple alleles. b. incomplete dominance. c. polygenic inheritance. d. multiple genes.
Last Answer : b. incomplete dominance.
Description : Which of the following terms refers to the collection of all alleles of every gene present in the members of a population? Is it: a) population expression b) gene pool c) genetic dictionary d) none of these
Last Answer : ANSWER: B -- GENE POOL
Description : Homozygous refers to: a) similar types of chromosomes b) having similar functions on an evolutionary basis c) particles in solution that are inseparable d) having identical alleles for a given gene
Last Answer : ANSWER: D -- HAVING IDENTICAL ALLELES FOR A GIVEN GENE
Description : Scientists call an organism that has two different alleles for a trait?
Last Answer : Hybrid
Description : What scientists call an organism that has two different alleles for a trait a ....?
Last Answer : heterozygous
Description : How does an alleles cause a trait in an organism?
Last Answer : The allele causes a certain type of protein to form. -Apex
Description : Crossing over in diploid organism is responsible for (a) segregation of alleles (b) recombination of linked alleles (c) dominance of genes (d) linkage between genes.
Last Answer : b) recombination of linked alleles
Description : An organism with two identical alleles is (a) dominant (b) hybrid (c) heterozygous (d) homozygous.
Last Answer : (d) homozygous.
Description : Which of the following laws best describes the statement: The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during meiosis (pron: my-O-sis) of reproductive cells so that ... law of independent assortment c) law of filial (pron: FILL-ee-al) generation d) law of sorting
Last Answer : ANSWER: A -- LAW OF SEGREGATION
Description : What term would best be used to describe an organism possessing two identical gene for a trait?
Last Answer : homozygous
Description : What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?
Last Answer : s.e.x linked
Description : An exact genetic replica of a specific gene or an entire organism.
Last Answer : Ans. Clone
Description : Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene
Last Answer : Ans:(a)
Description : A selectable marker is used to (a) help in eliminating the non-transformants, so that the transformants can be regenerated (b) identify the gene for a desired trait in an alien organism (c) ... in a specific crop (d) mark a gene on a chromosome for isolation using restriction enzyme.
Last Answer : (a) help in eliminating the non-transformants, so that the transformants can be regenerated
Description : Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron
Last Answer : (b) one gene contains many cistrons
Description : Gene and cistron words are sometimes used synonymously because (a) one cistron contains many genes (b) one gene contains many cistrons (c) one gene contains one cistron (d) one gene contains no cistron.
Last Answer : c) one gene contains one cistron
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 : Read the statements given below and identify the incorrect statement. a) The human genome contains 3164.7 million nucleotide bases. b) The average gene consists of 30,000 bp c) The total number of genes is ... . d) Chromosome Y has 231 genes e) Less than 2% of the genome codes for proteins.
Last Answer : d) Chromosome Y has 231 genes
Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component
Last Answer : C.80S ribosomes are distributed in cytoplasm
Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component
Last Answer : 80S ribosomes are distributed in cytoplasm
Description : A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive? A- .It contains DNA B- It is made of a single cell C- It utilizes energy D- All of these
Last Answer : All of these
Description : At birth, the oral cavity usually contains: A. S. mutans only B. No micro organism C. S. mutans and S. salivavis D. Lactobacilli and S. mutans
Last Answer : B. No micro organism
Description : What is the difference between dominant and recessive alleles?
Last Answer : Dominant alleles are expressed when present in either one or both copies, while recessive alleles are only expressed when present in both copies.
Description : How many alleles are there for each trait? -Biology
Description : How many alleles does each parent give to their offspring? -Biology
Description : Difference between genes and alleles -Biology
Description : Relationship between genes and alleles -Biology
Description : Why are homozygous alleles lethal? -Biology
Description : A pair of alleles is said to be heterozygous when -Biology
Description : A trait has two alleles, represented by p and q. If p = 0.89, what is q?
Last Answer : 0.11
Description : A plant has two alleles for color. The red allele is recessive, and is represented by q. The purple allele is dominant, and is represented by p. If 30 of 100 organisms are red, what is q?
Last Answer : 0.55