• 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
Albinism - Harlem Children Society
Albinism - Harlem Children Society

...  Albinism is when a living organism doesn’t have the usual amount of pigment or color.  Albinism affects all races equally. ...
CHROMOSOMES
CHROMOSOMES

... The tip of each chromosome arm is known as the telomere. Telomeres play a crucial role in sealing the ends of chromosomes and maintaining their structural integrity. Telomeres have been highly conserved throughout evolution and in humans they consist of many tandem repeats of a TTAGGG sequence. Duri ...
Molecular Genetic Analysis of Tunisian Patients with a Classic Form
Molecular Genetic Analysis of Tunisian Patients with a Classic Form

... We screened for six point mutations, large deletions, and noncommon mutations using restriction fragment length polymorphism (RFLP) methods, PCR, and sequencing of CYP21 gene, respectively. Mutations were found in 94.1% (96/102) of the disease chromosomes studied corresponding to 51 unrelated Tunisi ...
Given a Punnett square. Analyze a Dihybrid cross
Given a Punnett square. Analyze a Dihybrid cross

... Complete the following worksheet using the note link below Punnett Squares Now that you have gained an understanding of simple genetic principles and how probability and genetics are related, you are ready to start applying these concepts to solving simple genetic problems. A Punnett square is a cha ...
Punnet squares lecture
Punnet squares lecture

... • Albinism is a rare genetically inherited trait that is only expressed in the phenotype of homozygous recessive individuals (aa). The average human frequency of albinism in North America is only about 1 in ...
Microarray Data Analysis
Microarray Data Analysis

... expression data. While softwares to analyze the data are freely available from academic institutions; open source softwares are not. In the present project, I have developed a Microarray Data Analysis (MDA) application to analyze raw gene expression data, which provides a basic framework for develop ...
Heredity Notes
Heredity Notes

... He was first to use probability in plant science. Mendel’s work was forgotten for many years, but when more scientists came across his work in their research and came to the same conclusions, he became known as the father of genetics. ...
Slide 1
Slide 1

... organism may give a normal phenotype, while the same deletion in the wild-type allele of a heterozygote would produce a mutant phenotype. – Deletion of the centromere results in an acentric chromosome that is lost, usually with serious or lethal consequences. (No known living human has an entire aut ...
Blankety Blank - misslongscience
Blankety Blank - misslongscience

... Blankety Blank 2. A gene is a sequence of nucleotides along a piece of DNA that determines a single characteristic of an organism. It does this by coding for particular polypeptides that make up the enzymes needed in a biochemical pathway. ...
Usage Mitochondrial 16S rRNA Gene as Molecular Marker in
Usage Mitochondrial 16S rRNA Gene as Molecular Marker in

... out-group family) and leuciscin A. vorax (out-group sub-family) did not respond to the modified primer but the cyprinin Carassius auratus responded and the marker band of 120 bp length proved that this species also belongs to sub-family Cyprininae. ...
Rock-Around-the-Clock PDF document
Rock-Around-the-Clock PDF document

... in earlier centuries. Before 1850 they thought heredity was controlled by something in the blood or the sap in a tree. Believing that hereditary traits were blended, they concluded that a black cat mating with a white cat would produce only gray cats. Tall men who married short women would bear medi ...
Chapter 17 From Gene to Protein Multiple-Choice Questions
Chapter 17 From Gene to Protein Multiple-Choice Questions

... A) RNA polymerase uses RNA as a template, and DNA polymerase uses a DNA template. B) RNA polymerase binds to single-stranded DNA, and DNA polymerase binds to double -stranded DNA. C) RNA polymerase is much more accurate than DNA polymerase. D) RNA polymerase can initiate RNA synthesis, but DNA polym ...
Part 3 - Bioinformatics.ca
Part 3 - Bioinformatics.ca

... • Goal is to segment the genome into sub-classes. In each case, the tools identify certain data properties that subsets of the genome. Based on the groupings, the presence of known features (e.g. transcription start regions) is scored to suggest the functional meaning of the classes established. ...
XSL Formatter - H:\XML
XSL Formatter - H:\XML

... 1. How Do I Obtain the Genomic Sequence around My Gene of Interest? There are many instances in molecular biological research when you may have only a cDNA sequence but need to have the nucleotide sequence that lies 5′ or 3′ to a gene or the introns for additional analyses. Because genomic sequence ...
Characterisation of novel defective thiopurine S
Characterisation of novel defective thiopurine S

... deficient methylator phenotypes [7]. Additional rare allelic variants are continuously being identified in intermediate or deficient methylators and, to date, a total of 29 different alleles of TPMT have been characterised. It is important to note that for a few rare allelic variants, their implicat ...
Incomplete Dominance, Codominance, and ABO Blood Types
Incomplete Dominance, Codominance, and ABO Blood Types

... separated when gametes form One allele goes to one gamete and the other allele to a different gamete ...
Determination of the entire sequence of turtle CR1: the first open
Determination of the entire sequence of turtle CR1: the first open

... detected in representatives of nine orders that encompass a wide spectrum of species in the class Aves (Chen et al. 1991). More recently, long members of the CR1 family encoding an ORF segment were isolated, and the consensus sequence of CR1 elements was extended for up to 2,200 bp from the 3’ end ( ...
Sequences of Primate Insulin Genes Support
Sequences of Primate Insulin Genes Support

... were cloned, and the sequences of regions of 2,483 and 1,909 bp, respectively, determined (fig. 1). The boundaries of the exons were assigned by comparison with the human insulin gene sequence (Bell et al. 1980; Ullrich et al. 1980 ) . The exon-intron organization of the insulin genes of these two p ...
- California State University
- California State University

Gene Section GMPS (guanine monphosphate synthetase) Atlas of Genetics and Cytogenetics
Gene Section GMPS (guanine monphosphate synthetase) Atlas of Genetics and Cytogenetics

... nontransformed cells; in normal cells, higher expression in fibroblasts, followed by bone marrow, leukocytes, erythrocytes, placenta, and liver. ...
20.15 Enhancers contain the same elements that are
20.15 Enhancers contain the same elements that are

... elements. Figure 20.26 summarizes the susceptibility of the SV40 enhancer to damage by mutation; and we see that a much greater proportion of its sites directly influences its function than is the case with the promoter analyzed in the same way in Figure 20.23. There is a corresponding increase in t ...
Epigenetics - Institute for Cancer Genetics
Epigenetics - Institute for Cancer Genetics

... An epigenetic trait is defined as a “stably heritable phenotype resulting from changes in a chromosome without alterations in the DNA sequence”(1). Epigenetic patterns, essential for controlling gene expression in normal growth and development, are established by a number of mechanisms including DNA ...
apbio ch 14 study guide
apbio ch 14 study guide

... o The plants had purple flowers because the allele for that trait is dominant. 4. Mendel’s law of segregation states that the two alleles for a heritable character segregate (separate) during gamete production and end up in different gametes. o This segregation of alleles corresponds to the distribu ...
Report The Derived FOXP2 Variant of Modern Humans Was Shared
Report The Derived FOXP2 Variant of Modern Humans Was Shared

... each specific target individually in a second PCR. For each primer mix and individual, we also performed mock amplifications containing no template DNA. None of 108 secondary PCRs from such negative controls yielded any specific product. The results for the two Neandertals are summarized in Figure 2 ...
Sex Linked / "X" Linked Genetics
Sex Linked / "X" Linked Genetics

...   ­ Mothers can pass sex­linked alleles to both sons and daughters.   ­ If a sex linked trait is due to a recessive allele:      * A female will express the phenotype only if she is homozygous recessive.      * A male with one recessive allele from his mother will express the phenotype. The inherita ...
< 1 ... 226 227 228 229 230 231 232 233 234 ... 1482 >

Gene



A gene is a locus (or region) of DNA that encodes a functional RNA or protein product, and is the molecular unit of heredity. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic traits. Most biological traits are under the influence of polygenes (many different genes) as well as the gene–environment interactions. Some genetic traits are instantly visible, such as eye colour or number of limbs, and some are not, such as blood type, risk for specific diseases, or the thousands of basic biochemical processes that comprise life.Genes can acquire mutations in their sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a protein, which cause different phenotype traits. Colloquial usage of the term ""having a gene"" (e.g., ""good genes,"" ""hair colour gene"") typically refers to having a different allele of the gene. Genes evolve due to natural selection or survival of the fittest of the alleles.The concept of a gene continues to be refined as new phenomena are discovered. For example, regulatory regions of a gene can be far removed from its coding regions, and coding regions can be split into several exons. Some viruses store their genome in RNA instead of DNA and some gene products are functional non-coding RNAs. Therefore, a broad, modern working definition of a gene is any discrete locus of heritable, genomic sequence which affect an organism's traits by being expressed as a functional product or by regulation of gene expression.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report