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Genetics and Inheritance notes

258 notes by 206 users · Page 2 of 7

This Genetics and Inheritance page gathers over 230 notes made by GoConqr users, covering DNA and chromosomes, Mendelian genetics and genetic variation. School students and university students can use them to study inheritance, while teachers can find material for lessons. Browse the notes and start with a topic you want to explore.

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Untitled Explain Mendel's contribution to genetics: Gregor Mendel- Austrian Monk Theory of inheritance based on 7 years of work w/ 24,034 plants By 1900s, meiosis had been observed -Meiosis was a physical explanation for Mende... Julia Sexton
Biology B3 Biology B3 DNA structureDNA is the complex chemical that carries genetic information. DNA is contained in chromosomes, which are found in the nucleus of most cells. The gene is the unit of inheritance and different fo... Kian Patel
3.1 - Genes What is a gene? A gene is a heritable factor that consists of a length of DNA and influences a specific characteristic. Genetics is the branch of biology concerned with the storage of information living organisms and ... Eliana Zerga
Untitled Have you ever been working on a Punnett Square and you think, all of a sudden, man I really 00:12 wish there were more than just these 4 squares? Well if you ever have, today is your lucky 00:18 day. And if not, well…... Lestae Shaw
Science tests QUESTION ONE:  DNA AND VARIATIONGenes determine many of the features of organisms, such as the colour of the flowers on a plant. A gene is a part of a DNA molecule. The type of plant shown in the photograph below... Ambionne Wilson
chapter 12 12.1 Q/A 1) How is the work of Mendel and the work of Boveri and Sutton related? Both men formed their hypothesis using Mendel's work as a basis, combined with improved Microscope technology to observe chromosomes.&nb... Nathaniel Parkinson
Genetic Variation Define: The variety of alleles in a population (for a specific characteristic) Genetic variation is crucial to the survival of any species. It is what natural selection acts on and can ultimately lead to genetic chang... mckenziedev
Population Genetics and the Hardy-Weinberg Equilibrium Principle A “population” is a group of organisms of the same species that reproduce with each other. “Gene pool” refers to all the alleles present within a population. Population geneticists generally examine many different gen... Erika Cobb
DNA and Genetics Photosynthesis: Autotrophs- capture and conversion of sunlight energy into chemical bond energy Sunlight= the ultimate source of energy photosynthesis uses light energy to fix carbon dioxide into carbohydrate  CO... Hannah Enriquez
11 Q/A 11.1 Q/A 1) How is Mendel's work connected to what we learned in previous chapters on Mitosis and Meiosis? Genes are passed down from parent to child and have a chance of reappearing in the 3rd generation if inbreedin... Nathaniel Parkinson
Cset 119 Study Notes Genetics ad Evolution Explain the inheritance of traits which are determined by one or more genes, including dominance, recessiveness, sex linkage, phenotypes, genotypes, and incomplete dominance Traits which are dete... sflom001
Genetics and Evolution - created from Mind Map Mendelian Inheritance Law of Segregation: Law of Independent Assortment Homozygous Heterozygous Monohybrid Cross Dihybrid Cross alleles segregate independently when forming gametes segregation of one pair of alleles i... glesni.prytherch
BIOL 239 Key Terms for Final Exam species domestication purebred lines genotype phenotype reciprocal cross monohybrid cross dominant recessive diploid haploid homologous chromosomes polymorphic monomorphic gamete germ cell meiosis Law of Segregation L... Anna Kuepfer
LU 4 Genetic Diversity I Causes of Microevolution Genetic drift = alteration of the gene pool (small population) due to chance. Factors causing GD : Bottleneck Effect = When a large disturbance occurs, it will remove a large portion of the po... Shahidatul Amirah
Sources of Genetic Variation Chromosomes and Chromatids A single chromosome is made up of DNA tightly wound up around proteins. A replicated chromosome consists of two sister chromatids. The chromatids are joined together by  centromere. Aft... Georgia Webb
B1 whole revision B1 – You and your genes B1.1 What are genes and how do they affect the way organisms develop Ø Inherited characteristics are passed on by genes e.g. eye colour Ø Environmental characteristics depend on the kind of env... eshmi2471
Mutations MutationsA mutation is a change in the structure of a gene, or a change in the structure of a chromosome, or a change in the number of chromosomes Mutations are rare events occur at random are usually harmful for cell... laldypop
chapter 12: inheritance patterns and human genetics chromosomes and inheritance sex chromosomes- X and Y chromosomes, and contains genes that determine gender autosomes- chromosomes that are not directly involved  in determining the sex of the individual fema... Finley Coleman
Genetic Fingerprinting Genomes Contain Non-Coding Variable Number Tandem Repeats Not all of an organism's genome (all the genetic material in an organism) codes for proteins. Some of the genome consists of variable number tandem repeats (VN... Lucy Nove
Linkage Mapping Linkage groups: genes on the same chromosome are part of the same linkage group.Linkage: genes in the same linkage group may or may not show linkage. If genes in the same linkage group are close together they will sho... Beckie Thorne
Chapter 16 - Adaptation and selection Bacteria are one of the most diverse and adaptable groups of organisms. Their adaptation to a changing environment can be seen in their ability to develop resistance to antibiotics. Genetic variation can arise in bact... zenirah09
Mutations Vocabulary Mutation: any change to an organism's genetic material; these can be harmful, beneficial or neutral Mutagen: physical or chemical agent that changes the genetic material Somatic Mutations: alterations in DN... ashley thompson
1.9 Genetic variation 2 Chromosomes are made up of DNA The chromosomes carry genes along them Genes code for proteins DNA is a triplet code; 3 bases = one amino acid Some bases are stop/start, otherwise nonsense (don't code for anything we k... Ambionne Wilson
topic 3-Genetics CB3-GeneticsCB3a-Meiosis Gametes (sex cells) are produced by meiosis. There are two sets of chromosomes in the nucleus. The DNA replicates to form 4 sets of chromosomes in the nucleus. Then cell division splits the ce... Jessica Diamond
chapter 9 Q/A 9.1 Q/A 1) Define and Explain Diploid, Haploid, Homologous chromosomes, paternal and maternal homologs. Diploid: 2 "copies" of each chromosome (2n) Haploid: 1 "copy" of each chromosome (1n) Homologous Chromosomes: The... Nathaniel Parkinson
Experiments regarding DNA Replication Wilhelm Johannsen coined the word gene in 1909  Helped with the Chromosome Theory of Inheritance in 1902 Mendelian genes have specific loci on chromosomes Chromosomes undergo segregation and independent assortmen... Lyndsey Young
Nucleotides - created from Mind Map DNA RNA BACTERIA Tayah Arnold
Heredity notes Vocabulary inheritance: the reception of genetic qualities or traits from past generations (parents), due to offspring.  allele: version of a gene (base pair substitution) gene: segment DNA that codes for a trait... Valentina Plasencia Navas
Genetics Advance information Genetics- Sexual reproduction and meiosis Sexual reproduction-Information from 2 organisms come together to form an offspring. Father and mother produce gametes  In animals these are sperm and eggs Gamete= 1/2 nu... Adil Iqbal
Untitled RECESSIVE DISORDERS Simple Recessive Disorders Recessive Disorders affect offspring with 2 recessive alleles (homozygous recessive) Most genetic disorders are caused by recessive alleles Cystic Fibrosis 1 in 35 white ... Zoe Visser
Genetics             Before we even begin to talk about genetics and heredity, you must have a basic understanding of cells. Cells make up who we are; literally. Cell... Hermione Granger
Chapter 17 Genetic Code    DNA molecule is the code for all proteins in cell     Gene is coded DNA instructions that control production of specific proteins     TWO stages of gene expressi... Izabella Munoz
Genetics  LECTURE 23 GENETICS I: GENETICS AND THE DNA SEQUENCING REVOLUTION Understand the term genetics. Genetics is the study of heredity and variation. Understand the fundamental role DNA sequence variation plays in bi... Karolina K
Chap 11 - genetic notes Genes - Sections of DNA on a chromosome that contain the instructions for making specific proteins for each characteristic donated by the parent organism, and they control an organism’s form and function. Traits – Cha... Kerry Valdez
Untitled Gene Structure and Regulation of Gene Expression What is meant by a genome?  A genome is the complete set of genes or DNA is an organism Why do you not use all your genome at the same time? Cells do not express a... Nina Spriggs
Untitled Biology Genes, Chromosomes and DNA1.) Most cells in your body have a nucleus- and its the nucleus that contains your genetic material.  2.) The genetic material in the nucleus is arranged into chromosomes. The hu... basonlauren
Typ & Atyp - Week 5 - Genetics Intro What is Genetics? http://www.genome.gov/Glossary/index.cfmThree aspects: Mollecular - is the field of biology and genetics that studies the structure and function of genes at a molecular level Behavioural - is a field... Heather Snaith
Genetics(I think) What is Genetics? the study of heredity and the variation of inherited characteristics   Prokaryote Division Prokaryotic Cell Division A form of asexual reproduction(1 parent) where a single cellular organism div... Veronika Gulko
3: It's in the Genes Protein Synthesis Proteins are produced through the process of transcription and translation. During transcription one DNA strand is copied and makes a strand of RNA. In translation ribosomes make proteins using mRNA.... aebuffington99
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