different alleles. Alleles are the specific characteristics of the gene. These alleles can be dominant or recessive. A dominant allele has a different phenotype than a recessive allele. Phenotypes are simply the observable traits seen in a living organism. An example of phenotype is a dominant allele for hair color is Brown‚ while the recessive allele for hair color is Blonde. They both are for the same gene‚ but are different outcomes of the gene. A dominant allele overrides a recessive allele. In order
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Do you remember… Haploid Diploid Gamete Allele Homozygous Heterozygous Dominant Recessive Gregor Mendel Considered to be the father of modern ___________. Studied patterns of inheritance in _____ 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
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GENETICS JARGON Alleles (allelomorphs) Alternative forms of a particular gene. There can be several alleles of a particular gene in the population‚ but only 2 alleles can be inherited by a single individual. For simplicity much literature aimed at the general reader uses "gene" where it means "allele". Allelic Series A series of alleles that are all mutant forms of the same gene and are at the same locus (same position on the chromsome). Alternate Heredity Mendelian inheritance involving
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to all other colors‚ could: i. Brown eyed parents have a blue eyed child? ii. Blue eyed parents have a brown eyed child? iii. Explain. 3. The gene for yellow seed coat in peas is dominant to its allele‚ green. What offspring phenotypic and genotypic ratio would be expected from a cross between a pea plant known to be heterozygous for coat color and one which produced green seeds? 4. From a mating between two normal winged drosophila‚ 27
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Chapter 6 Explain what free energy is and how it can be used to predict the energetic outcome of chemical reactions.Free energy is defined as the energy available to do work in any system. The free energy is denoted by the symbol G. G = H – TS* H: the energy contained in a molecule’s chemical bonds‚ called enthalpy.* TS: the energy term related to the degree of disorder in the system. T is the absolute temperature (K)‚ and S is the entropy.We can use the change in free energy to predict whether
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Introduction Allozyme analysis is a technique which is used in study of genetics because it reveals the genetic variation that exists within a wide range of organisms (Gómez‚ 1998). Allozymes are different forms of an enzyme expressed by alternative alleles on the same gene locus (Micales & Bonde‚ 1995). Analysis of these allozymes can be done by protein electrophoresis. Protein electrophoresis involves the movement of proteins within an electric field with mobility being dependent on factors such as
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how this difference affects gene expression; simple line diagrams to illustrate the difference between non-replicated and replicated DNA inchromatin and chromosome forms; afull description of both HC and SC with a labeled diagram that includes gene/allele sequences for a heterozygote and ‘m’ or ‘p’ labels to indicate parental origin; a definition of diploid and haploid cells in terms of HC content; an explanation of the stage of the organism’s life cycle at which the HCfirst come into existence(I am
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Explain how you made your conclusion using evidence from the pedigree and the principles of genetics. -Cystic fibrosis is inherited as a recessive trait. Each child of 2 carriers has a ¼ chance of inheriting 2 recessive alleles. A person with 2copies of this allele has cystic fibrosis. 2. What would a Punnett square that shows how the son in generation IV (marked with an A) inherited cystic fibrosis look like? | |A |a | |A |AA
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1. Given the following parental genotypes‚ show all possible gametes that each could form. Circle each gamete. Note: different gamete types are separated by commas in the table below. Genotype Gametes: AA A Aa A‚ a Bb B‚ b bb b cc c AABB AB AAbb Ab Aabb Ab‚ ab AaBb AB‚ Ab‚ aB‚ ab AaBbCc ABC‚ ABc‚ Abc‚ AbC‚ aBc‚ aBC‚ abC‚ abc 2. In summer squash‚ white fruit color (W) is dominant over yellow (w). If a squash plant homozygous for white is crossed with one homozygous for yellow‚ what will be the apearance
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Know definitions of the words used for Meiosis‚ Mendel’s work and Genetics Dominant – expression that is always expressed when its gene recessive - An expression that is expressed only when its allele is the only form of the gene present in the genotype. incomplete dominance - Neither allele is dominant to the other‚ thus each is expressed in the heterozygous genotype producing an intermediate phenotype. EX. Red (RR) and White (R’R’) snapdragons produce pink (RR’). epistasis - A condition
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