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genotypes
genotypes

... 1. Why is transcription necessary? Transcription makes messenger RNA (mRNA) to carry the code for proteins out of the nucleus to the ribosomes in the cytoplasm. 2. Describe transcription. RNA polymerase binds to DNA, separates the strands, then uses one strand as a template to assemble mRNA. 3. Why ...
Facts about evolution, natural selection, and adaptive polymorphism
Facts about evolution, natural selection, and adaptive polymorphism

... species. Evolution is often a slow and gradual process, but in the 3,500,000,000 years since life began on Earth, there has been plenty of time for it to produce the great diversity of life we see today from the ancient common ancestor shared by all living species. ...
Biological Annotation in R
Biological Annotation in R

... •Allows for the annotation and analysis of function simply and easily •Most array types are catered for •Species specific data also exist (most model species) •Even if the database doesn’t exist your species, but is present in the ncbi repositories >library(AnnotationForge) ...
DNA sequence of a genome determine phenotype through control of
DNA sequence of a genome determine phenotype through control of

... bonding of one specific tRNA to its specific amino acid. •aminoacyl-tRNA synthetases are therefore the true molecular translators of nucleotide sequence into protein sequence. •secondary structure of tRNAs appears as a cloverleaf, in 3D, tRNA’s appear as a compact letter ‘L’ •at one end of the ‘L’ i ...
Part 3 - Alexander Local Schools
Part 3 - Alexander Local Schools

... I can… describe how DNA becomes the traits using RNA I can… define mutations and give 3 types I can… describe some harmful mutations in humans I can… explain the three possible outcomes of mutations. ...
Unit 3 Jeopardy Questions and Answers
Unit 3 Jeopardy Questions and Answers

Forces of Evolutionary Change
Forces of Evolutionary Change

Maritni: Inheritance
Maritni: Inheritance

... is it’s genotype. In our heterozygote pea plant that would be Tt.  Phenotype – that which is expressed. Our pea ...
Mary Lyon hypothesis: Inactivation of all but one X chromosome
Mary Lyon hypothesis: Inactivation of all but one X chromosome

... Mary Lyon hypothesis: Inactivation of all but one X chromosome (dosage compensation). This allows the dosage relationship between # X and # autosomes to be the same in males and females. Females (XX) do not express a sex-linked trait more markedly than hemizygous males X Y). Only one X chromosome re ...
Dr. Sabika Firasat - University of Wah
Dr. Sabika Firasat - University of Wah

... PCR products were pooled and analyzed on ABI 3100 or ABI 3730 genetic analyzer using gene scan software and haplotypes were constructed. ...
LAC OPERON ACTIVITY - Fairview High School
LAC OPERON ACTIVITY - Fairview High School

... Extension: Genetic Studies of the Lac Operon – BE SURE TO READ BACKGROUND INFORMATION IN LAB MANUAL FIRST! Discuss the data with your lab team but make sure your final answers are your own individual. This question is not a part of operon lab quiz) EXPLANATION OF CLASS I MUTANTS: 1) Below is a diag ...
IB Topics DNA HL
IB Topics DNA HL

... many points in eukaryotic chromosomes. 1. replication begins at origin, strands separate b/c helicase breaks H bonds 2. Replication fork at each end of bubble (DBL strand opens to expose 2 template strands) ...
Principles & Patterns of inheritance ppt
Principles & Patterns of inheritance ppt

... • It has not always been understood how traits are passed from parent to offspring. • For many centuries scientists believed that traits were blended in offspring, they would later learn that this idea was incorrect. ...
Bwyoung
Bwyoung

... • Both dominant alleles are expressed. • For example blood. What are the four blood types? ...
NATURAL SCIENCES DEPARTMENT HOSTOS COMMUNITY COLLEGE GENERAL BIOLOGY I - BIO 210
NATURAL SCIENCES DEPARTMENT HOSTOS COMMUNITY COLLEGE GENERAL BIOLOGY I - BIO 210

... 4 credits. 3-hr. lecture/3-hr. lab/1-hr. recitation Pre/corequisites: ENG 91 or ENG 91; MAT 20 (or exemption) COURSE DESCRIPTION: This course, the first of two courses in biological science, is intended for students preparing for careers in science. Lecture topics include basic properties of living ...
Genes and Genomes
Genes and Genomes

... Linear strands of DNA and associated proteins in the nucleus of eukaryotic cells  Chromosomes carry the genes and function in the transmission of hereditary information ...
MI Practice EOC/Final Exam - Kenwood Academy High School
MI Practice EOC/Final Exam - Kenwood Academy High School

... Disease detection using bioinformatics depends upon properly sequencing the DNA of the pathogen, but sometimes things go wrong in the lab. If the necessary fluorescent markers were not added properly (or not functioning properly), that would lead to which of the following results? A. The PCR sample ...
a Sample - Rainbow Resource
a Sample - Rainbow Resource

... Two identical twins have exactly the same set of genes. They are separated at birth and grow up in different households. If a scientist were to study the twins as adults, would he find them to be identical in every way, since they have the same genes? Why or why not? ...
transcription factors
transcription factors

... Pol II – mRNA and snRNA (small nuclear RNA, involved in splicing) Pol III – small RNA’s (tRNA, 5s rRNA …) We will concentrate on Pol II although many features are common to all three. ...
Whole genome sequencing - Center for Biological Sequence Analysis
Whole genome sequencing - Center for Biological Sequence Analysis

... • Understand the most common NGS technologies and terminology. • Learn how to prepare raw data from the sequencer for further bioinformatic analysis. • Be able to use tools for In silico detection of plasmid, resistance and virulence genes. • Be able to perform global and local WGS analysis to deter ...
Using Statistical Design and Analysis to Detect
Using Statistical Design and Analysis to Detect

...  There are some random effects that are unknown: slide effects other effects introduced in the experiment (such as biological replicate effects) residual random effects that include any sources of variation unaccounted for by other terms ...
2. If 20% of the DNA in a guinea pig cell is adenine, what
2. If 20% of the DNA in a guinea pig cell is adenine, what

... 5. Scientists struggled to understand how four bases could code for 20 different amino acids. If one base coded for one amino acid, the cell could produce only four different kinds of amino acids (41). If two bases coded for each amino acid, there would be four possible choices (of nucleotides) for ...
Lecture 4a (1/28/13) "Central Dogma"
Lecture 4a (1/28/13) "Central Dogma"

... many groups. Methyl group restricts uracil (thymine) to pairing only with adenine. ...
Unit 3 - OrgSites.com
Unit 3 - OrgSites.com

... Rosalind Franklin ...
Transcription - Dr. Salah A. Martin
Transcription - Dr. Salah A. Martin

... Gene Expression: Transcription The majority of genes are expressed as the proteins they encode. The process occurs in two steps: ...
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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.
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