how do you distinguish nuclear from extrachromosomal inheritance? Give a specific example.

Q: Assume that diploid plant A has a cytoplasm genetically different from that of plant B. To study…

A: The plant will produce by ;

Q: Which statement about homologous chromosomes is FALSE?   Select one: a. They contain the same…

A: Homologous chromosome – During fertilization in a cell, one from the pair from the mother and…

Q: estions below all refer to the following pedigree. The locus for allele D/d determines how cilia on…

A: It is evident that the trait is not sex-linked because:-   In the case of Y-linked disorders, only…

Q: Bees have a haplodiploid sex determination.  The recessive allele ivory causes bees to have white…

A: In honeybee, the sex is determined by being haploid or diploid. Here, females are diploid while…

Q: In man, muscular dystrophy is a condition in which the muscles waste away during early life and may…

A: Muscular dystrophy is a disease that involve a progressive loss of muscle mass and consequent loss…

Q: In the following schematic drawing of a Holliday junction,one chromatid is shown in red, and the…

A: a) Cuts should occur at positions 2 and 4 to get recombinants. A Holliday model can be resolved in…

Q: Discuss the principles of the chromosome theory of inheritance. Which principles were deduced via…

A: Theodor Boveri and Walter Sutton are the two scientists who were credited with developing the…

Q: Discuss the principles of the chromosome theory of inheritance. Whichprinciples do you think were…

A: Inheritance is the process by which genetic information is transferred from one generation to…

Q: The two chromosomes in each of the 22 chromosomes pair in our cells. A) Have the exact same DNA…

A: The branch of biology that deals with the study of genes, heredity and genetic variations are termed…

Q: Suppose that you are studying the role of Protein B, which you believe plays a role in regulating…

A: Apoptosis which is also known as programmed cell death, is defined as a mechanism that will allow…

Q: Colorblindness and hemophilia are both X-linked traits in humans. Explain how a female who has a…

A: Colourblindness and haemophilia are both X-linked traits in humans. Haemophilia is a bleeding…

Q: What will be the number of chromosomes in Turner's syndrome and Klinefelter's syndrome of an…

A: The genetic material of the organisms are found on the chromosomes present in the cell's nucleus.…

Q: Shown below is a karyotype from a human being. How many total autosomes does this individual have?…

A: A chromosome is a long DNA molecule that contains part or all of an organism's genetic material.…

Q: Consider the first category of test-cross offspring shown in figure 8.2 (+b, LS). Consider also that…

A: In the test-cross in question, heterozygous female flies with the genotype +b, LS were used. In…

Q: If 50% of gametes produced by a double heterozygote are recombinant, then Group of answer choices…

A: Genes are said to be linked if both the genes are present on same chromosome. On the other hand the…

Q: The wild-type (normal) fruit fly, Drosophila melanogaster, has straight wings and long bristles.…

A: Introduction Gene is known as hereditary factor which controls all the characters in living organism…

Q: L, R, P and D are four genes located on the same chromosome in a diploid organism. Map distances…

A: Genetic mapping is a technique to determine the relative position of genes on a chromosome and their…

Q: If two chromosomes of a species are the same length and have similar centromere placements and yet…

A: Chromosomes are carriers of genetic information. They are the physical units that transfer genetic…

Q: ignore the different colours. How many chromosomes are shown in the figure? What is the ploidy of…

A: Ploidy refers to the number of complete sets of chromosomes present in the nucleus of a cell. So,…

Q: My friend Pierre is red-green color blind and so is his father, but his mother is not color-blind.…

A: Answer a and b. Color blindness is an X-linked recessive inheritance.  In the given pedigree…

Q: Give typed explanation

A: During meiosis, homologous chromosomes, which have the same genes but may carry different alleles,…

Q: Consider the genetic map below. (a) In a total of 1000 observed progeny, how many would be expected…

A: Given that, there are 1000 observed progenies. Also given that, the distance between A and B gene is…

Q: oduce green pigment, while homozygous recessive aa individuals produce ment. During the course of…

A: In a "cut and paste" transposition, the transposon is completely excised from the donor site and…

Q: You are studying a gene that controls ossicone (horn) length in giraffes. The wild type…

A: Penetrance is the percentage of population showing a phenotype out of those who are capable of…

Q: in a mammal, how many inactivated x chromosomes would be present in individuals of XO phenotype? A)…

A: The level of gene activity produced by a single X chromosome is the normal "dosage" for a human. Men…

Q: Is this disease autosomal or sex-linked, and dominant or recessive? Using your genetics…

A: Based on the given information, we can conclude that the disease in question is most likely…

Q: The haploid human genome is distributed on autosomes 1-22 and X and Y (so, 24 chromosomes).

A: Option 1 is correct. The total length of the haploid human genome is ~3000 megabases.

Q: The questions below all refer to the following pedigree. The locus for allele D/d determines how…

A: In genetics, the genes are the hereditary units of life. It contains two alternative forms called…

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.