Lab Report 11 Genetics Concepts Lab Report

Lab Report 11 Genetics Concepts Lab Report - Lab Report 1...

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Lab Report - 1 BioLab 3         Lab Report 11 Genetics Concepts Lab Report Student Name: I. Meiosis and Inheritance EXERCISE 1  – Gamete Formation in Monohybrid Crosses For each of the following diploid genotypes, show the possible haploid genotypes. Parental Genotype (diploid): AA aa Aa meiosis Haploid Genotype: During fertilization, two gamete nuclei fuse and the diploid condition is restored.  List the diploid genotypes produced  by fusion of the following gametes: Gametes: a a A A A a fertilization Offspring Genotype: II. Mendel’s Experiments A. Monohybrid Cross Showing Complete Dominance A pea plant has the genotype AA for flower color.  The gametes produced by this plant contain what allele(s)?     A pea plant produces all white flowers.  What is its genotype?     If a purple flowered plant (AA) is crossed with a white flowered plant (aa), the resulting seeds will grow into plants  that have what genotype and phenotype?  Record in graph below. A A a a Offspring Genotype: Offspring Phenotype:
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Lab Report - 2 Would you expect any white flowered pea plants to be produced from the above cross?   EXERCISE 2  – Predicts the possible offspring of a cross between two heterozygous purple flowered plants Step 1   Phenotype Genotype Phenotype Genotype Parent: meiosis Gametes: Use the Punnett square below to answer the following questions.   Always write the capital letter (dominant allele)  before the lower case letter (recessive allele). Step 2   Step 3   A a A a Step 4 Percentage Ratio Phenotype: Genotype:
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Lab Report - 3 EXERCISE 3  – Predict the possible offspring of a monohybrid cross in corn Cross 1 Phenotype Genotype Phenotype Genotype Parent: Purple Kernel AA X Yellow Kernel aa meiosis Gametes: F 1  generation a a A A Percentage Ratio Phenotype: Genotype:
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Lab Report - 4 Cross 2 Phenotype Genotype Phenotype Genotype Parent: Purple Kernel Aa X Purple Kernel Aa meiosis Gametes: F 2  generation A a A a Percentage Ratio Phenotype: Genotype: What percentage of a cross between a homozygous dominant parent and a homozygous recessive parent will  have a heterozygous genotype?
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