• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
Sickle-cell anemia - Thalassemias
Sickle-cell anemia - Thalassemias

... Abnormal mRNA splicing: deletion at the beginning of an exon with, possibly, a change in the reading frame. Mutation in one exon: 1 amino acid will be replaced by another one; variable consequences depending on the amino acid: most of the time a silent mutation; but the Sickle-cell anemia is due to ...
Genes and MS
Genes and MS

... So, we know there is more to MS than just the genes. The other influences are known as 'environmental factors'. But we don't yet know for certain what exactly these are. Possible environmental factors include common viruses, bacterial infections and levels of vitamin D. A test for MS genes? There is ...
MOLECULAR GENETIC OF CANCER PART II
MOLECULAR GENETIC OF CANCER PART II

... Verification of the Two-Hit Hypothesis for Retinoblastoma  Several cases of retinoblastoma are associated with a small ...
Biol
Biol

... Each of the following statements about meiosis is true EXCEPT A. B. C. D. ...
Chapter 11 Intro to Genetics Meiosis
Chapter 11 Intro to Genetics Meiosis

... Law of Dominance: when two different alleles for a single gene are present, one is dominant and one is recessive. – A pea plant contains two discrete hereditary factors, one from each parent – The two factors may be identical or different – When the two factors of a single trait are different • One ...
Week 6 Notes Probability and Heredity & The Cell and
Week 6 Notes Probability and Heredity & The Cell and

... II. The Cell and Inheritance A. CHROMOSOMES and INHERITANCE a. Sex cells have __HALF__ the number of __CHROMOSOMES__ than other __CELLS__ ...
IB Biology syllabus – definitions.
IB Biology syllabus – definitions.

... Having two identical alleles of a gene.* ...
Horizontal transfer of genes in bacteria Paul H. Roy
Horizontal transfer of genes in bacteria Paul H. Roy

... sulphonamide resistance. While the aforementioned are typically extrachromosomal genes, plasmids can also carry chromosomal genes. A good example is the class C chromosomal β-lactamases, whose genes are increasingly found on plasmids. As mentioned above, F plasmids can transfer large blocks of chrom ...
Defining the role of cellulose-synthase
Defining the role of cellulose-synthase

... Contacts: [email protected]; [email protected] Primary University where the student will be based: University of Adelaide Applications: Please apply online at: http://www.adelaide.edu.au/graduatecentre/admission/ using the domestic (Australian Permanent Residents/ Citizen ...
Heredity & Evolution
Heredity & Evolution

... make the many different proteins that your cells need to work. ...
Regulation of Gene Activity
Regulation of Gene Activity

... and how fast mRNA leaves the nucleus Translational control: when translation begins and how long it continues Posttranslational control: after protein synthesis, polypeptide may have to undergo additional changes before it is functional. ...
Gene Regulation
Gene Regulation

... that would turn on all the genes in a pathway at one time using 2 enhancer sequences and 2 activator proteins but does not turn on more than one pathway at a time?  specific combinations of transcription factors could be used to regulate a group of genes for a given pathway. Using combinations of a ...
Objective 4 What physical traits did I inherit?
Objective 4 What physical traits did I inherit?

... three of nine months). All organs are formed and heartbeat can be heard. Second trimester-(2nd set of three months, months 4,5, & 6 of nine months) The fetus becomes more active and hair, eyelashes, and eyebrows appear. Third trimester-(last 3 months7,8 &9) During eighth month weight gain of fetus i ...
Objective 4 What physical traits did I inherit?
Objective 4 What physical traits did I inherit?

... three of nine months). All organs are formed and heartbeat can be heard. Second trimester-(2nd set of three months, months 4,5, & 6 of nine months) The fetus becomes more active and hair, eyelashes, and eyebrows appear. Third trimester-(last 3 months7,8 &9) During eighth month weight gain of fetus i ...
Double Helix With a Twist
Double Helix With a Twist

... ''The 'end of the beginning' of the genomic era might thus be followed by the 'beginning of the end' very quickly.'' But other experts dismiss this argument. First, they say, even 3,000 targets would be a huge increase. All the drugs that exist today are aimed at a total of only 500 different protei ...
10.2 Genetics 2 - Mendel, etc Higher level only
10.2 Genetics 2 - Mendel, etc Higher level only

... A male gamete (sperm) is little more than a motile nucleus. A female gamete (egg) contains a cell as well as a nucleus. The new individual inherits this cell also at fertilisation. DNA is found in cellular organelles other than the nucleus e.g. mitochondria. These structures are inherited from the f ...
Section 6.4- Traits, Genes, Alleles
Section 6.4- Traits, Genes, Alleles

... allows for different genetic variations daily.  When chromosomes line up in the middle during metaphase I of meiosis, there is about 8 million different combinations that can be formed. ...
Blue atom design template
Blue atom design template

... • What are the chances of a sperm cell receiving a “Y” chromosome? ...
Multigenic determination of behavioral traits Tourette`s Disorder In a
Multigenic determination of behavioral traits Tourette`s Disorder In a

... •Lack of quantifiable tests for psychiatric disorders •Familial clustering of certain behavioral traits can be due to either genetics (nature) or upbringing (nurture) •Multigenic determination of behavioral traits ...
Exercises
Exercises

... Copy the column of gene names and paste it into the first column of the Analysis file. Highlight the column of corrected “M-values” in the Microarray spreadsheet, click Copy, click into the first cell in the second column of the Analysis spreadsheet and click “Paste Special”. Make sure to select “Va ...
Finding Genes in Eukaryotes
Finding Genes in Eukaryotes

... Usually the primary challenge that follows the sequencing of anything from a small segment of DNA to a complete genome is to establish where the various functional elements such as genes, promoters, terminators etc., lie in the sequence. This module concentrates on the identification of regions of D ...
Evolution: Library: Genetic Drift and the Founder Effect
Evolution: Library: Genetic Drift and the Founder Effect

... Eastern Pennsylvania is home to beautiful farmlands and countryside, but it's also a gold mine of information for geneticists, who have studied the region's Amish culture for decades. Because of their closed population stemming from a small number of German immigrants -- about 200 individuals -- the ...
LECTURE 5: LINKAGE AND GENETIC MAPPING
LECTURE 5: LINKAGE AND GENETIC MAPPING

... exhibited different linkage rates because the closer together two genes are the less likely they will be separated by a recombination event. That is the probability of a crossover occuring between two genes increases with the distance separating them. Sturtevant, an undergraduate in Morgan’s lab, su ...
الصفات المرتبطة بالجنس تورث للأبناء الذكور من الأم فقط لأنهم
الصفات المرتبطة بالجنس تورث للأبناء الذكور من الأم فقط لأنهم

... varies with the organism • In the X-Y system, Y and X chromosomes behave as homologous chromosomes during meiosis. – In reality, they are only partially homologous and rarely ...
Gene linkage
Gene linkage

... Early Human Embryo  Duct ...
< 1 ... 573 574 575 576 577 578 579 580 581 ... 779 >

Genomic imprinting

Genomic imprinting is the epigenetic phenomenon by which certain genes are expressed in a parent-of-origin-specific manner. If the allele inherited from the father is imprinted, it is thereby silenced, and only the allele from the mother is expressed. If the allele from the mother is imprinted, then only the allele from the father is expressed. Forms of genomic imprinting have been demonstrated in fungi, plants and animals. Genomic imprinting is a fairly rare phenomenon in mammals; most genes are not imprinted.In insects, imprinting affects entire chromosomes. In some insects the entire paternal genome is silenced in male offspring, and thus is involved in sex determination. The imprinting produces effects similar to the mechanisms in other insects that eliminate paternally inherited chromosomes in male offspring, including arrhenotoky.Genomic imprinting is an inheritance process independent of the classical Mendelian inheritance. It is an epigenetic process that involves DNA methylation and histone methylation without altering the genetic sequence. These epigenetic marks are established (""imprinted"") in the germline (sperm or egg cells) of the parents and are maintained through mitotic cell divisions in the somatic cells of an organism.Appropriate imprinting of certain genes is important for normal development. Human diseases involving genomic imprinting include Angelman syndrome and Prader–Willi syndrome.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report