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Genetics Notes
Genetics Notes

...  Produced only purple ...
Heredity Review
Heredity Review

... Heredity • ___________ is the passing of physical ...
Chapter 2: Genes and Medical Genetics
Chapter 2: Genes and Medical Genetics

... • As you can see during meiotic cell division, alleles are isolated within each gamete. ...
Evolutionary forces: in small populations
Evolutionary forces: in small populations

... • In England, tested for various genetic traits. • All residents homozygous (alleles fixed) for nine genetic markers. • Clinodactyly (dominant) present in the Glass family. • Alternative glucose-6-phosphate dehydrogenase allele arrived in 1827…..gene flow. ...
Quiz Tomorrow - Somers Public Schools
Quiz Tomorrow - Somers Public Schools

... ...
Genetics
Genetics

... • Test cross – when an individual of known phenotype but unknown genotype (AA or Aa) is crossed with a homozygous recessive individual in order to determine its genetic make-up. ...
Vocabulary Review
Vocabulary Review

... 2. When two related species live in the same area but mate during different seasons, they are separated by directional selection. ...
14.1 Test Cross and Law of independent assortment
14.1 Test Cross and Law of independent assortment

Elementary Genetics - American Herbataurus Society
Elementary Genetics - American Herbataurus Society

... animal. It could be used in a practical way to select against a recessive gene that is of economic importance. Since inbreeding brings out the hidden recessive genes, the homozygous animals as well as many of the heterozygotes could be identified and culled. But again, this would require severe cull ...
Genetics Powerpoint 2/7/17
Genetics Powerpoint 2/7/17

... whenever present – Represented with an uppercase letter ...
2.4 measuring evolution of populations2010edit
2.4 measuring evolution of populations2010edit

... of endangered species – reduces variation – reduces adaptability ...
Chapter 12B - Power Point Presentation
Chapter 12B - Power Point Presentation

... Male Pattern Baldness – check your maternal grandfather! Hemophilia – “bleeder’s disease” – a ‘royal’ problem ...
Evolution of Populations
Evolution of Populations

... Sexual reproduction ...
Microevolution and Macroevolution
Microevolution and Macroevolution

... Phenotypes are usually due to interactions of genotypes and the environment  Most polygenic phenotypes show a normal distribution – most of the population is in the middle, with fewer at either extreme  Natural selection can only ‘work’ if there is preexisting variation within the population ...
DISRUPTING GENETIC EQUILIBRIUM
DISRUPTING GENETIC EQUILIBRIUM

... Variation of Traits in a Population ...
Name
Name

... Mendel said that the factors that control a trait exist in pairs. ...
E-Halliburton chapter 8
E-Halliburton chapter 8

... Also at single-locus traits the result of inbreeding is an increased frequency of homozygotes, and thereby inreased frequency of harmful, recessive alleles in double dose so that they manifest in disease/death. This has been thoroughly documented in studies on offspring from related parents. For mul ...
Preview from Notesale.co.uk Page 1 of 1
Preview from Notesale.co.uk Page 1 of 1

... Genetic Diagrams. Remember you have two genes for each characteristic and different versions of the same gene are called alleles. ...
Term Definition Heredity Passing of traits from parent to offspring
Term Definition Heredity Passing of traits from parent to offspring

... Likelihood that a particular event will occur Chart that shows all the possible combinations of alleles that can result in a genetic cross; shows Punnett square possible offspring Organism’s physical appearance, or visible traits; Phenotype what you see Organism’s genetic makeup, or allele ...
Natural Selection and Specation
Natural Selection and Specation

... • Do not possess allele IB therefore cannot be B or AB blood groups • Isolation for over 50,000 years means limited gene flow • Increased genetic flow has lead this to change ...
Notes
Notes

... Name: ________________________________ Date: ____________ Period _____ # _____ Inheritance Patterns 1. Single Genes w/ Two Alleles  Trait controlled by a single gene with one__________________________ and one ____________________ allele  These traits have __________________________________________ ...
L21MicroMacro
L21MicroMacro

... Extensive data on genetic variation within humans are available, but so far they did not translate into any credible quantitative estimates, although several cases, such as lactose tolerance, are well established. What we have now is a mess. ...
Factors Causing Evolution
Factors Causing Evolution

... A few seeds of a plant are carried by a bird or by winds to a distant volcanic island, where they germinate and rapidly establish a large population, whose gene pool is different from the population of plants where they originated. ...
Evolution Practice Questions
Evolution Practice Questions

... 14. Why are zebras and horses considered to be members of two different species if they can interbreed and produce a zorse? In other words, why is the zorse considered to be a hybrid organism? The zorse offspring although possible, is not able to reproduce (the zorse is sterile). Because the zorse c ...
Inheritance and Genetics
Inheritance and Genetics

... watch • crossed plants with different traits and learned that offspring usually had dominate trait ...
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Inbreeding

Inbreeding is the sexual reproduction of offspring from the mating or breeding of individuals or organisms that are closely related genetically. By analogy, the term is used in human reproduction, but more commonly refers to the genetic disorders and other consequences that may arise from incestuous sexual relationships and consanguinity.Inbreeding results in homozygosity, which can increase the chances of offspring being affected by recessive or deleterious traits. This generally leads to a decreased biological fitness of a population (called inbreeding depression), which is its ability to survive and reproduce. An individual who inherits such deleterious traits is referred to as inbred. The avoidance of such deleterious recessive alleles caused by inbreeding, via inbreeding avoidance mechanisms, is the main selective reason for outcrossing. Crossbreeding between populations also often has positive effects on fitness-related traits.Inbreeding is a technique used in selective breeding. In livestock breeding, breeders may use inbreeding when, for example, trying to establish a new and desirable trait in the stock, but will need to watch for undesirable characteristics in offspring, which can then be eliminated through further selective breeding or culling. Inbreeding is used to reveal deleterious recessive alleles, which can then be eliminated through assortative breeding or through culling. In plant breeding, inbred lines are used as stocks for the creation of hybrid lines to make use of the effects of heterosis. Inbreeding in plants also occurs naturally in the form of self-pollination.
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