Preview

Role Of Dna In Inheritance

Satisfactory Essays
Open Document
Open Document
252 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Role Of Dna In Inheritance
What role does DNA play in inheritance?
- DNA is the genetic material of inheritance. Deoxyribonucleic acid (DNA) is the body’s instruction manual for making who you are. DNA is present in any living being. You receive one -half of your DNA from your money and one-half from you Father. People with light eyes tend to carry recessive alleles of the major gene and people with dark eyes tend to carry the dominant alleles. Genes are located on rodlike structures called chromosomes that are found in the nucleus of every cell in the body. Each gene is assigned a specific position on a chromosome as genes provide the instructions for making proteins, and proteins determine the structure and function of function of each cell in the body, it follows

You May Also Find These Documents Helpful

  • Powerful Essays

    Project 2 DNA

    • 1347 Words
    • 6 Pages

    Deoxyribonucleic acid (DNA) is a complex biochemical macromolecule that carries genetic information for cellular life forms and some viruses. DNA is also the mechanism through which genetic information from parents is passed on during reproduction. DNA consists of long chains of chemical compounds called nucleotides. Four nucleotides are present in DNA: Adenine (A), Cytosine (C), Guanine (G), and Thymine (T). Certain regions of the DNA are called genes. Most genes encode instructions for building proteins (they're called "protein-coding" genes). These proteins are responsible for carrying out most of the life processes of the organism. Nucleotides in a gene are organized into codons. Codons are groups of three nucleotides and are written as the first letters of their nucleotides (e.g., TAC or GGA). Each codon uniquely encodes a single amino acid, a building block of proteins.…

    • 1347 Words
    • 6 Pages
    Powerful Essays
  • Good Essays

    Strawberries Investigation

    • 1822 Words
    • 8 Pages

    The main role of DNA acid is the long term storage of information. DNA is a set of blueprints or a code since it contains the instructions needed to construct other components of cells, such as proteins. The DNA divisions that carry this genetic information are called genes; other DNA sequences have different structural purposes, for example to create a body part, like an arm or a leg. Because of this, DNA provides information on hair colour, eye colour, skin colour,…

    • 1822 Words
    • 8 Pages
    Good Essays
  • Better Essays

    In the experiment we were inspecting the amount of genetic materials in fruits with different numbers of chromosomes. In the experiment, we mashed up a strawberry/kiwi fruit (See appendix 1 figure 2) added extraction butter and ethanol to extract the DNA. A chromosome is a long thread-like cluster of genes in the nucleus. DNA (deoxyribonucleic acid), a self-replicating material which is present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information. Genes, a unit of heredity which is transferred from a parent to offspring and is held to determine some characteristic of the offspring. The location of DNA is in a cell’s nucleus and the structure is in a shape like a coiled ladder, the sides of the ‘ladder’ are made up of alternation and the ‘ladder rings’ are pairs of nitrogen bases. The purpose of DNA is to control your development which dictates your eye colour, bone structure, blood type basically everything about you, but can be passed down to the next descendant. DNA extraction is a routine procedure to collect DNA for subsequent molecular or forensic analysis.…

    • 802 Words
    • 4 Pages
    Better Essays
  • Good Essays

    Calculus in Genetics

    • 634 Words
    • 3 Pages

    In recent decades the advancements achieved in bioengineering have helped us develop a better understanding of the origins from which humans and other living creatures spur. The discovery of the Deoxyribonucleic acid (DNA) is the key to all bioengineering. The DNA is a nucleic acid that contains the genetic instructions used in the development and functioning of all known living organisms and some viruses. The main role of DNA molecules is the long-term storage of information. An allele is one of two or more forms of the DNA sequence of a particular gene. Each gene can have different alleles. Sometimes different alleles can result in different traits. Occasionally different DNA sequences of alleles will have the same result in the expression of a gene.…

    • 634 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Understanding Dna

    • 308 Words
    • 2 Pages

    Have you ever wondered how you got red hair or blue eyes? Well all that has to do with your genes. To have different genes you have to have a deoxyriboncleic acid or DNA for short. Without Dna everyone would and everything would look the same and that would make life really confusing. Your DNA has a very important role in life. Its most important role is to give everyone character.…

    • 308 Words
    • 2 Pages
    Satisfactory Essays
  • Powerful Essays

    DNA (deoxyribonucleic acid) is the hereditary material in almost all living organisms. In 1953 researchers J. Watson and F. Crick saw the structure of DNA. DNA consists of two long strands that are built up chain like, each consisting four nucleotide subunits, attached to a sugar phosphate backbone. Adenine (A), guanine (G), cytosine (C) and thymine (T) are bases that are arranged pairwise in the middle of the DNA stand. The nucleotides are covalently linked together, from which the bases A and T, G and C bind by a hydrogen bond (Bray et al 2010: 173). Figure 1 shows the order of the bases, which determine the biological information available for building, and maintaining an organism, the sugar…

    • 2274 Words
    • 10 Pages
    Powerful Essays
  • Powerful Essays

    • Describe the structure of DNA and discuss how it facilitates the ability of DNA to act as genetic material…

    • 3588 Words
    • 15 Pages
    Powerful Essays
  • Good Essays

    Dna "Finding Your Roots"

    • 1003 Words
    • 5 Pages

    DNA commonly known as Deoxyribonucleic Acid is a heredity materials in a human and almost all living organisms found in the earth. DNA is a double helix structure consisting of nucleotides and nucleosides with sugar and phosphate base that carries genetic materials from parents to its offspring creating completely a unique human body. DNA comprises of a long molecules corresponding four different nucleotides i.e. adenine, guanine, cytosine and thymine also commonly called as “A”, “G”, “C” and “T” which plays an important role for an identification of who they are and where they come from.…

    • 1003 Words
    • 5 Pages
    Good Essays
  • Powerful Essays

    Dna Testing

    • 2323 Words
    • 10 Pages

    DNA is an abbreviation for deoxyribonucleic acid. It is an important substance of the human body. DNA is a nucleic acid which contains genetic information about human bodies. It has the function to store information about your body. However DNA is not only found in humans. It can be found in animal as well. (dnadefinition.net, 2012). DNA is genetically inherited; half from a mother and the other half from the father. (Anjara, 2012)…

    • 2323 Words
    • 10 Pages
    Powerful Essays
  • Better Essays

    Dna Extraction

    • 1796 Words
    • 8 Pages

    DNA (Deoxyribose Nucleic Acid) is a nucleic acid that has many names, each representing the phases that it undergoes (chromosomes, chromatin, genes/alleles); it resides in the nucleus (bound by 2 *phospholipid bilayers) of almost every cell in the body (red blood cells being an exception). DNA (your genotype) is double stranded and is responsible for replicating (from 46 to 92) during Interphase, so that mitosis can make new cells, repairing and allowing for growth in the body. It is also responsible for transcription and translation, a series of processes that allows for the genotype to become a phenotype (what you look like and metabolic processes). DNA is ~ 2 M long, and yet fits into a cell that is ~ 100 µM in size! Simple household solutions, based on their chemical properties (polarity) are used to extract DNA for examination. Once DNA is extracted from the nucleus (nuclear envelope) it can be examined in many laboratory tests for a variety of reasons: DNA quantification, DNA fingerprinting, Real-Time PCR analysis, genetics testing and genetic therapy.…

    • 1796 Words
    • 8 Pages
    Better Essays
  • Better Essays

    My View: Evolution

    • 1146 Words
    • 5 Pages

    The first piece of evidence that supports the idea of evolution is genetics. The DNA in our cells reflects each individual’s unique identity and how closely related we are to one another. The same can be said for relationships among organisms. DNA is the molecule that makes up an organism’s genome in the nucleus of every cell. It consists of genes, which are the molecular codes for proteins and the building blocks of our tissues and their functions. Furthermore, DNA shapes how an organism grows up and the physiology of its blood, bone, and brains (Lunine, 163). Thus, DNA is especially important to the study of evolution.…

    • 1146 Words
    • 5 Pages
    Better Essays
  • Better Essays

    An allele is an alternative form of a gene and is located at a specific position in a specific chromosome. Usually, two contrasting alleles exist for each trait. A gene is a molecular unit of heredity. They reside on stretches of DNA that code for proteins of living organisms. DNA refers to Deoxyribonucleic acid. It is a nucleic acid that contains hereditary information and is necessary for the growth and development of an organism.…

    • 4179 Words
    • 17 Pages
    Better Essays
  • Good Essays

    DNA or Deoxyribo Nucleic Acid by definition is a nucleic acid that contains the genetic instructions used in the development and functioning of all modern living organisms. Its function is a medium of long-term storage and transmission of genetic information. Some unique features would be the helix geometry of DNA is of B-form. DNA is protected in the nucleus, as it is tightly packed. DNA can be damaged by exposure to ultra-violet rays. The predominant structure in DNA is double stranded molecules with a long chain of nucleotides. Sugars included deoxyribose sugar; phosphate backbone; Four bases: adenine, guanine, cytosine and thymine. The pairing in DNA double helix is A-T(Adenine-Thymine), G-C(Guanine-Cytosine). Stability in DNA is conducted by Deoxyribose sugar in DNA is less reactive because of C-H bonds. It is stable in alkaline conditions. DNA has smaller grooves, which makes it harder for enzymes to "attack" DNA. DNA is self replicating.…

    • 366 Words
    • 1 Page
    Good Essays
  • Better Essays

    DNA contains the complete genetic information that defines the structure and function of an organism. Proteins are formed using the genetic code of the DNA. Three different processes are responsible for the inheritance of genetic information and for its conversion from one form to another:…

    • 1090 Words
    • 5 Pages
    Better Essays
  • Good Essays

    Cancer

    • 923 Words
    • 4 Pages

    * Each chromosome is a collection of genes, strings of chemical material called DNA that control every physical, biochemical and physiologic trait, from hair color to intellect to the level of cholesterol in the bloodstream.…

    • 923 Words
    • 4 Pages
    Good Essays