How can a single gene cause different diseases?   Locus heterogeneity   Pleiotropy   Epistatis   Clinical heterogenetiy

Q: In humans, as well as in many other animals and some plants, the sex of the individual is determined…

A: Haemophilia is an inherited bleeding disorder where blood doesn't clot properly. It is caused when…

Q: Which of the following statements is true regarding gene duplication? (Check all that apply)…

A: Gene duplication is a major mechanism through which new genetic material is generated during…

Q: PP Dd Qq FF Heterozygous il BB tt XY Homozygous Recessive Privacy Policy LL Gg Ss XX Dashboard Terms…

A: Introduction :  The genotype of an organism is its whole set of genetic material. The alleles that…

Q: Duplicative recessive epistasis: O Only needs to be recessive at one gene Results in a 12:3:1 ratio…

A: Genetics is the branch of science that helps in the study of genes, heredity, and genetic disorders.…

Q: 1. The term for an alternate form of a gene.              [ Choose ]             Conjugation…

A: Ans 1: Allele Explanation: Some genes have a variety of different forms, which are located at the…

Q: Which of the following best describes a locus? It is a recessive gene   It is an unmatched…

A: Gene loci in live cells are made visible by insertion of protein-binding DNA sequences flanking it…

Q: Genes A, B, C, and D are located on the same chromosome. The distances between the genes are below:…

A: Gene mapping refers to the process of determining the location and relative distances between genes…

Q: We will see an MI pattern when: There is crossover between two centromeres There is crossing over…

A: Haploid organisms such as Neurospora and other fungi are helpful in the detection of linkage and…

Q: An individual heterozygous for a reciprocal translocation possesses the following chromosomes: A B •…

A: Chromosome may be defined as the condense form of DNA that can be inherited from one generation to…

Q: In peas, long stem "A" is dominant over short stem, "a". Give the expected genotypes, phenotypes and…

A: The homozygous dominant individuals exhibit two identical alleles (AA). The heterozygous individuals…

Q: Construct a chromosome map from the following chart showing crossover frequencies for linkage groups…

A: The crossing over frequencies or recombination frequencies are used for the calculation of map…

Q: Which of the following statements is TRUE?

A: When two or more genes are present on the same chromosome then they are linked and this phenomenon…

Q: The diagram below represents genes (indicted by letters) on two nonhomologous chromosomes, where the…

A: A mutation is a change in an organism's genetic material (DNA sequence). It can happen naturally or…

Q: If you are provided with a family having agenetic disorder in the members.using single strand…

A: Answer: PEDIGREE ANALYSIS : The study of family genetic tree is called pedigree analysis. It is a…

Q: Which of the following scenarios would erroneously lead you to believe two genes reside on different…

A: Crossing over refers to the exchange of genetic material in the germ line. During meiosis, the…

Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…

A: Translocation is defined as transfer of chromosomal segments from one to another chromosome.…

Q: Why would an individual with a mutation that prevented the formation of recombination nodules be…

A: The synaptonemal complex between the homologs consists of large proteinaceous complexes, which are…

Q: Figure 1. Showing a homologous pair of chromosomes that carry two linked genes. Here we can see that…

A: Alleles are two forms of the gene. If two genes are linked, their independent assortment during…

Q: Which of the following is true of this individual? Answers A - D A The individual suffers from…

A: Trisomy means the person has three copies of chromosomes instead of two. Monosomy means one…

Q: Which of the following statements is true regarding the phenotypic effects of inversions? Select ALL…

A: Inversion  Inversion is a kind of mutation in the chromosomes where part of a chromosomes is cured…

Q: During spermatogenesis, is there any difference in outcome between first- and second-division…

A: Spermatogenesis is the process of producing spermatozoa(haploid) from germ cells. In the…

Q: ning x earning.com/index.cfm?method%3DcResource.dspView&ResourcelD=1070&ClassID=D3856718 5. Which…

A: Crossing over is the exchange of chromosome segments between non-sister chromatids during the…

Q: Which of the following statements regarding gene duplication are FAI extra gene copies are highly…

A: Gene duplication is the formation of duplicate or extra copies of a gene. By this extra genetic…

Q: Chromosome number: Can impact phenotype Is not related to genome size Varies depending on the…

A: Question - Chromosome number :  A) Can impact phenotype B)  Is not related to genome size C) Varies…

Q: 3 10 11 12 13 14 15 16 18 19 20 21 22 Y Is this karyotype male or female? Kind of error (if any).…

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

Q: A child patient was found to have an autosomal recessive disease. Mutation testing indicated…

A: Given: The child reflects a recessive genetic disease. The father of the child is hetrozygous The…

Q: The image below shows a standard human karyotype, from a metaphase cell. Note that the positioning…

A: According to the question, we have to mention what alleles could be represented in chromosome box 1,…

Q: In organisms with the ZZ-ZW sex-determining system, from which of the following possibilities can a…

A: The Sex-determination system helps to determine sexual characteristics in an organism. Sex…

Q: Which of the following is unable to form a linkage group? O genes that are not located on the same…

A: The tendency of certain genes to stay together throughout chromosomal inheritance is known as…

Q: Consider section J, the following is a karyotype of: 75 X » ») N 5 2 3 >= X( 11 8 X 15 6 10 13 19 14…

A: *An individual entire set of chromosomes, which are grouped and organised based on their size,…

Q: We will see an MII pattern when: There is no crossover between a gene and its centromere There is…

A: Crossover is the process of the exchange of genetic segments that occurs between homologous…

Q: What can be said of two genes on the same chromosome, 25 map units apart? they are pleiotropic they…

A: Linkage was discovered by T.H Morgan while working on Fruit flies.

Q: Cystic fibrosis is a hereditary illness causing respiratory issues and recurrent lung infections. It…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: An individual that is heterozygous for an inversion has the following chromosomes (∗ is the…

A: Introduction :-  Crossing over is defined as the exchange of segments ( chromosomal segments)…

Q: Which of the following describes a linkage group?   All the genes on a chromosome   An individual…

A: Genes are the units (physical and functional) of heredity, made-up of DNA or deoxyribonucleic. In an…

Q: A mechanism for equalizing the expression of X-linked genes in males and females of a species.…

A: Equalizing sex chromosome expression between the sexes when they have largely differing gene content…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.