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Plant Genetics 2003 - Biology Department | UNC Chapel Hill
Plant Genetics 2003 - Biology Department | UNC Chapel Hill

... domestication QTL (DQTL) • Few loci of major effect • Domestication alleles tend to be recessive • DQTL tend to be clustered among and within linkage groups • DQTL tend to be homologous among related crops (e.g. fruit weight QTL in the ...
Exploring Heredity Graphic Organizer
Exploring Heredity Graphic Organizer

... Each cell has genes in it. When you are in the cell you go to the nucleus. Once you are inside the nucleus, you then go to the chromosomes. We have 46 of them. Once you get their you have to go inside of the chromosomes, and then you see the DNA. (Deoxyribonucleic acid) Go inside the DNA, and there ...
Mendelian Genetics
Mendelian Genetics

... independently from one another • 6. the two traits travel from one generation to the next without influencing eachother • 7. they are not tied together • 8. What does this mean at the chromosomal level? ...
Chapter 7 Darwin, Mendel and Theories of Inheritance
Chapter 7 Darwin, Mendel and Theories of Inheritance

... – With respect to heredity and inheritance, the rediscovery in 1900 of Mendel’s work produced a generation of Mendelians, many of whom were opposed to Darwin, especially to his mechanisms of natural selection. Evolution meant something very different to them. – It would be the 1930s and 1940s before ...
03.Organism`s level of realiization of genetic information. Gene
03.Organism`s level of realiization of genetic information. Gene

... • Such genes are called epistatic genes. • Color of some fowls is result of interaction between two non-allelic genes: C—gene of colored fowls, c— gene of white fowls, I—gene, that masks the phenotypic effect of gene C (epistatic gene), i—gene, that does not masks the P: ♀ CCII (white) x ♂ ccii (whi ...
11-1 The Work of Mendel
11-1 The Work of Mendel

... • Tall plants have the same phenotype (tall), but not the same genotype (TT or Tt) • Why are TT and Tt genotypes for tallness, but tt is not??? ...
Designer Genes - Heredity
Designer Genes - Heredity

... chromosome inherited as a group Sex-linkage – genes on sex chromosomes (esp. X) Y-chromosome shorter – some genes from X missing X-linked traits more common in men Men get X-chromosome from mom Red-green colorblindness, hemophilia ...
alleles - WordPress.com
alleles - WordPress.com

... Principles (1) 1. The inheritance of biological characteristics is determined by individual units – genes (alleles). Genes are passed from parents to their offspring 2. In cases where there are 2 or more forms of the gene for a single trait, some forms of the gene may be dominant and others may be r ...
Quantitative Traits Modes of Selection
Quantitative Traits Modes of Selection

... We can also measure the strength of selection Combining heritability and strength of selection allows us to predict evolutionary change in response to selection. ...
Intro to Genetics
Intro to Genetics

... organism displaying a dominant trait, we test cross to identify the can use a __________ unknown allele (we already know one allele is dominant because the trait is being displayed) ...
Family Pedigree Project:
Family Pedigree Project:

... By following a few guidelines, you can make a pedigree chart for your family. You might even be able to find a pattern in the way a family characteristic is inherited. Directions: Using a poster board or large poster paper, create your family pedigree of one particular trait (either a known genetic ...
Chapter 9 Fundamentals of Genetics
Chapter 9 Fundamentals of Genetics

... 1. Something within the peas controlled the traits he saw. 2. Each trait was inherited from a separate “factor”. 3. Since there were 2 alternative forms for each trait (Tall vs. Short), there must be a pair of “factors” controlling each trait.  Dominant Factor (trait) – Always shows up in the F1 ge ...
What is Ecological Genetics
What is Ecological Genetics

... In most multicellular organisms, each individual cell contains two copies of each type of chromosome, one inherited from its mother through the egg and one inherited from its father through the sperm (so the diploid chromosome number, 2n, is 46 in humans and 254 in hermit crabs). Note that these two ...
Mendel Notes
Mendel Notes

... two different types of gametes (those with an allele for tallness “T” and those with an allele for ...
Disruption of genetic equilibrium
Disruption of genetic equilibrium

...  No natural selection ...
Mendel`s Laws of Inheritance
Mendel`s Laws of Inheritance

... roblems Involving Monohybrid Inheritance le following problems involve Mendelian crosses. The alleles by a single gene. The problems are to give you practice in ~olved are associated with various phenotypic traits controlled problem solving using Mendelian genetics. 1. A dominant gene (W) produces ...
For an overall summary of the Theory of Evolution
For an overall summary of the Theory of Evolution

... 1. Many more individuals are born in each generation than will survive and reproduce. 2. There is variation among individuals; they are not identical in all their characteristics a. SOURCE OF VARIATION IS MUTATION: A RANDOM PROCESS. b. Mutation - any novel genetic change in the gene complement or ge ...
evolution, heredity, and behavior
evolution, heredity, and behavior

... and physical characteristics of a population overtime Adaptive significance-Its effectiveness in aiding the organism to adapt to changing environmental conditions (Ex.gregariousness-tendency to form groups) Ultimate causes-Events and conditions over successive generations that have slowly shaped the ...
Genetics Study Guide
Genetics Study Guide

... Are the daughter cells identical to each other or genetically different? _____________________ 14. How many daughter cells are produced in meiosis? ____________ Are the daughter cells identical to each or genetically different? ___________________ Traits 15. The environment can affect our traits. If ...
Biology~Chapter 12
Biology~Chapter 12

mendelian genetics guided notes
mendelian genetics guided notes

... 1. Rule of Unit Factors – each organism has 2 alleles that control each trait Ex. 1 allele comes from mom and 1 allele comes from dad 2. Rule of Dominance – In cases in which 2 or more alleles for a single trait exist, one allele may be dominant (mask) to the recessive one Ex. Dominant = TT or Tt R ...
Discussion-Activity-GATTACA
Discussion-Activity-GATTACA

... condition, 42% of being manic depressive, 89% of having ADD, 99% of having heart disease. How accurate are these predictions for the various disorders? Diagnosis is generally given based on studied correlation of what has happened to people with the same genetic allele in the past. Hence, it is a st ...
Genetics - TeacherWeb
Genetics - TeacherWeb

... -Ex: In mice the gene for pigment deposition C is epistatic to the gene for pigment production -CC or Cc—melanin can be deposited; cc—albino -BB or Bb—black; bb—brown -Genes are on separate chromosomes and assort independently Polygenic inheritance -Traits are determined by many loci so there is a ...
Genes - Unit3and4Biology
Genes - Unit3and4Biology

... the dominant allele (e.g. the heterozygous Qq will exhibit a widows peak ).  Incomplete dominance – occurs when there is a blending of the two alleles in the heterozygous individual (e.g. an allele for red flowers and an allele for white flowers results in pink flowers)  Codominance – this occurs ...
probability laws
probability laws

... pink, therefore NO true breeding pink flowering plants. • Codominance: both alleles equally expressed. Human blood type, cow coloring ...
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Quantitative trait locus

A quantitative trait locus (QTL) is a section of DNA (the locus) that correlates with variation in a phenotype (the quantitative trait). The QTL typically is linked to, or contains, the genes that control that phenotype. QTLs are mapped by identifying which molecular markers (such as SNPs or AFLPs) correlate with an observed trait. This is often an early step in identifying and sequencing the actual genes that cause the trait variation.Quantitative traits are phenotypes (characteristics) that vary in degree and can be attributed to polygenic effects, i.e., the product of two or more genes, and their environment.
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