flies‚ gray is dominant over black. If pure bred gray fruit fly crosses with a black fruit fly‚ what percent of the offspring will be gray? GG = homozygous gray fruit fly gg = homozygous black fruit fly G G g Gg Gg g Gg Gg Genotype: Gg; Gg; Gg; Gg Phenotype: Gray; Gray; Gray; Gray 100% Gg 100% Gray 3. The law of probability states that the chance (or probability) of the simultaneous occurrence of two or more independent events is equal to the product of the probabilities
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a population. Genetic drift‚ defined as the process in which chance events cause unpredictable fluctuations in allele frequencies from one generation to the next‚ can increase or decrease variability within particularly small populations. Certain genotype/phenotype frequencies‚ for example‚ may be reduced or completely eliminated through chance events. Examples of genetic drift might include the founder effect‚ which consists of a select amount of individuals is separated from a larger population
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Extension of mendelian inheritance Incomplete Dominance Incomplete dominance is a form of intermediate inheritance in which one allele for a specific trait is not completely dominant over the other allele. This results in a third phenotype in which the expressed physical trait is a combination of the dominant and recessive phenotypes. Incomplete dominance is similar to‚ but different from co-dominance. In co-dominance‚ an additional phenotype is produced ‚ however both alleles are expressed completely
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dysibindin function has on sleep patterns in Drosophila melanogaster and whether these patterns are different from that of Drosophila with similar genetic background used as controls. Four different genotypes will be used to show the difference in sleep patterns in the fruit flies. The genotypes are piggybac‚ dysb^rev‚ C155 W1118 and C155 x dysb RNAi. Piggybac is the main mutation with full dysbindin knockdown. Dysb^rev is the reverse of piggybac and one of the controls. C155 W1118 is another control
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Anthropology Science of human cultural and biological variation and evolution Study of human biological and cultural difference across space and time Anthropos: man (Greek) Logos: word (Greek) Naming: building a knowledge off “Study of Man” Human Diversity/Differences Rigorous explanation of being human appreciation of many things Overlap with other fields Economics: accumulate wealth v. giving away wealth Different perspectives Biological and Cultural Differences Important
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_____ plants. His results allowed him to create 3 laws of inheritance. 1. The law of dominance 2. The law of segregation 3. The law of independent assortment Genetics Key Terms Genotype: a set of alleles (RR or rr) Phenotype: physical trait (round or wrinkled) Punnett Square: A grid system for predicting all possible genotypes Monohybrid: a cross that examines the inheritance of one trait Dihybrid: a cross that examines the inheritance of two traits Genetics Key Terms Continued Independent assortment:
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Case Study – A Sickeningly Sweet Baby Boy Part I Questions 1. What additional information would you want to know to understand Emma and Jacob’s panic? To understand the cause of the panic that was brought to Jacob and Emma‚ you would need to know more about the state of the baby. This article just describes that the boy was having difficulty feeding‚ and after seven days he stopped feeding. This isn’t a situation that brings upon panic right away‚ but for Emma and Jacob it did. The panic
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Lab manual/results/online article condensed notes Lab 1 · DNA is made up of deoxyribonucelotides · Components of DNA/RNA includes a 5 carbon sugar‚ a phosphate group‚ and a nitrogenous base · the negative charge associated with DNA/RNA is due to the phosphate groups · DNA is linked together by phosphodiester bonds (they are covalent bonds) · the energy required to create these bonds is from the cleavage of pyrophosphate‚ refer to figure 1.3 on page 4 and below. ·
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measure the effects on behaviour and selective breeding where the genetic code is manipulated to produce a prime specimen within a species. Genes contribute to the genotype of an individual. The genotype is the genetic makeup of an individual. An individual’s presentations of characteristics or phenotype are influenced greatly by their genotype. However phenotype is also affected by the environment. Thomas
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Sickle cell anemia is a genetic disease that affects the shape and functionality of red blood cells. It is caused by a mutation in the DNA of the protein‚ hemoglobin‚ specifically in the beta chain. There are 531 base pairs in this DNA strand. Substitution or point mutation occurs‚ causing “GAG” to become “GTG”. This results in valine being created instead of glutamate. The mutation causes the hemoglobin to cling together in low oxygen levels and the red blood cell changes shape‚ preventing it from
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