Homework #24 (130222): Chapter 14 (due Friday 130222) Total points: 20 for Attempt on all questions ONE Concept Map: 10 points Objectives Gregor Mendel’s Discoveries 1. Explain how Mendel’s particulate mechanism differed from the blending theory of inheritance. • Blending: parents genes mixed • Particulate: parents genes still retain identity\ The blending theory was that genetic material contributed by the two parents mixes in a manner analogous to the way blue and yellow make green
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Biology I. Objectives: At the end of the lesson‚ students are expected to: a. use a Punnett Square to solve monohybrid crosses; b. employ the steps for solving monohybrid cross using the Punnett Square; and c. determine the genotypes and phenotypes of the offspring; II. Subject Matter: a. Topic: Monohybrid Cross Using a Punnett Square b. Reference: * Exploring Life through Science – Biology By: John Donnie Ramos‚ et. Al. pp. 381-397 * Science and Technology – Biology
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Introduction Gregor Mendel‚ the father of Genetics‚ experimented on many different things that now help us understand inheritance. His famous experiments include the ones he performed on pea plants to show the system of heredity. After a plentiful amount of experiments‚ he identified that specific traits show up in the offspring without any blending of parental characteristics (M.Nirenberg). Mendel discovered the principles of independent assortment‚ which states that allele pairs split independently
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1. For each genotype below‚ indicate whether it is a heterozygous (He) OR homozygous (Ho). TT Bb DD Ff tt dd Dd ff Tt bb BB FF 2. Determine the phenotype for each genotype using the information provided about SpongeBob. Yellow body color is dominant to blue. YY Yy yy Square shape is dominant to round. SS Ss ss 3. For each phenotype‚ give the genotypes
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dominant phenotype and one for the recessive phenotype. These two alleles comprise the gene pair. One member of the gene pair segregates into a gamete‚ thus each gamete only carries one member of the gene pair. Gametes unite at random and irrespective of the other gene pairs involved.(Carlson) The purpose of this lab is to teach students how traits of an organism can be predicted with a dihybrid cross using the recessive and dominant traits. Using a dihybrid cross given the phenotype and genotype of F1
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arrangements of A‚ C‚ T‚ and G. 2. How does an organism’s genotype determine its phenotype? Genotype is a term that refers to a living organism’s genetic makeup‚ whereas phenotype refers to an organism’s actual physical traits. Being that genotype describes an organisms genetic characteristics‚ this would also mean that the genetic characteristics that makes up one’s genotype will also determine that individuals phenotype‚ or physical characteristics. Since genetics play a major role
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predicted phenotype of lactase persistence or lactase non-persistence of all biology 225 lab students and compare their predicted phenotype to
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1. Define genotype and phenotype‚ and describe how they are related. Genotype is the genetic make-up‚ the inheritable information‚ which comprises an individual organism. It is the code that is copied in reproduction and is passed from 1 generation to the next. It serves as the main guide in the growth‚ development and maintenance of a living organism; it also controls the formation of certain proteins and regulation of metabolism and synthesis. Alleles are alternative forms of a gene and genotype
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in media‚ and letting them cross breed‚ we analyzed and recorded the phenotypes that were observed. The P1 flies were anesthetized then sexed by observing their phenotypes and equally distributed into the media we made for their copulation. When a sufficient amount of progeny was present in the culture bottle the P1 generation was killed. After the progeny developed in the F1generation of the sex-linked cross the phenotypes were observed and recorded. After the F1 generation of the monohybrid
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blocks or letters. 2. How does an organism’s genotype determine its phenotype? The distinction between phenotype and genotype is fundamental to the understanding of heredity and development of organism. The genotype of an organism is the class to which that organism belongs as determined by the description of the actual physical material made up of DNA that was passed to the organisms by its parents at the organism’s conception. The phenotype of an organism is the class to which that organism
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