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Dihybrid cross

Ap Bio. Chapter 14 Review

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Biology
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Classical genetics
Biology
Genetics
Philosophy of biology
Monohybrid cross
Punnett square
Dominance
Recessive
Zygosity
Mendelian inheritance
Dihybrid cross
genotype
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

Chapter 14 Mendel and the Gene Idea Overview: Drawing from the Deck of Genes What genetic principles account for the passing of traits from parents to offspring? The ?blending? hypothesis is the idea that genetic material from the two parents blends together (like blue and yellow paint blend to make green) The ?particulate? hypothesis is the idea that parents pass on discrete heritable units (genes) Mendel documented a particulate mechanism through his experiments with garden peas Concept 14.1: Mendel used the scientific approach to identify two laws of inheritance Mendel discovered the basic principles of heredity by breeding garden peas in carefully planned experiments Mendel?s Experimental, Quantitative Approach Advantages of pea plants for genetic study:

15_Lecture_Presentation

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Biology
Genetics
Classical genetics
Cytogenetics
Molecular genetics
Epigenetics
Y chromosome
Genetic linkage
Meiosis
Chromosome
Genomic imprinting
Dihybrid cross
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

Chapter 15 The Chromosomal Basis of Inheritance Overview: Locating Genes Along Chromosomes Mendel?s ?hereditary factors? were genes, though this wasn?t known at the time Today we can show that genes are located on chromosomes The location of a particular gene can be seen by tagging isolated chromosomes with a fluorescent dye that highlights the gene Copyright ? 2008 Pearson Education Inc., publishing as Pearson Benjamin Cummings Fig. 15-1 Concept 15.1: Mendelian inheritance has its physical basis in the behavior of chromosomes Mitosis and meiosis were first described in the late 1800s The chromosome theory of inheritance states: Mendelian genes have specific loci (positions) on chromosomes Chromosomes undergo segregation and independent assortment

chapter 14 notes

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Biology
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Genetics
Biology
Classical genetics
Philosophy of biology
Monohybrid cross
Dominance
Punnett square
Recessive
genotype
Mendelian inheritance
Dihybrid cross
Test cross
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Attachment theory
Evolutionary biology
Personal life
Technology

Chapter 14 Mendel and the Gene Idea Overview: Drawing from the Deck of Genes What genetic principles account for the transmission of traits from parents to offspring? One possible explanation of heredity is a ?blending? hypothesis The idea that genetic material contributed by two parents mixes in a manner analogous to the way blue and yellow paints blend to make green An alternative to the blending model is the ?particulate? hypothesis of inheritance: the gene idea Parents pass on discrete heritable units, genes Gregor Mendel Documented a particulate mechanism of inheritance through his experiments with garden peas Figure 14.1 Concept 14.1: Mendel used the scientific approach to identify two laws of inheritance Mendel discovered the basic principles of heredity

Genetics 1

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Biology
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Genetics
Classical genetics
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Philosophy of biology
Monohybrid cross
Dominance
Recessive
Punnett square
Dihybrid cross
genotype
Test cross
Mendelian inheritance

Mendelian Genetics All Materials ? Cmassengale? 1862 1868 1880 Genetic Terminology: Trait?- any characteristic that can be passed from parent to offspring Heredity?- passing of traits from parent to offspring Genetics?- study of heredity Alleles?- two forms of a gene (dominant & recessive) Dominant?- stronger of two genes expressed in the hybrid; represented by a?capital letter (R) Recessive?- gene that shows up less often in a cross; represented by a?lowercase letter (r) Genotype?- gene combination for a trait (e.g. RR, Rr, rr) Phenotype?- the physical feature resulting from a genotype (e.g. tall, short) Homozygous?genotype - gene combination involving 2 dominant or 2 recessive genes (e.g. RR or rr); also called?pure?

linkage chi-square test

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Classical genetics
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Statistics
Genetic linkage
Monohybrid cross
Chi-squared test
Dihybrid cross
Dominance
Chi-squared distribution
Genetics
chi-squared
Chromosomal crossover
health

1 LECTURE: Linkage & Chi-square test Linkage & Chi-squared Test Outline and Objective 2 ? Accounting for disruptions in expected Mendelian ratios ? Application of the Chi-square test ? Objective: At the end of this lesson you should be able to: 1. Define the term linked gene 2. Differentiate between results obtained from linked genes and non-linked genes in dihybrid crosses 3. Write a null hypothesis 4. Apply the chi-squared test to results observed from crosses LECTURE: Linkage & Chi-square test 3 Review ?We have been looking so far at inheritance of genes on different chromosomes. ? Since humans for example, have thousands of traits, each chromosome must carry a large number of genes.

Chapter 10- Sexual Reproduction and Genetics Cont.

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Biology
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Dihybrid cross
Monohybrid cross
Punnett square
Genetic linkage
Dominance
Mendelian inheritance
Recessive
Hybrid
health

Chapter 10: Sexual Reproduction and Genetics Cont. MENDELIAN GENETICS -The parent generation known as the P generation -The offspring of this P cross is calle dthe first filial (F1) generation -The second filial (F2) generation is the offspring of the F1 cross -Mendel studied seven different traits: -Seed or pea color -Flower color -Seed pod color -Seed shape or texture -Seed pod shape -Stem length -Flower position GENES IN PAIRS -Allele -An alternative form of a single gene passed form generation to generation -Dominant -Recessive DOMINANCE -An organism with two of the same alleles for a particular trait is homozygous -An organism with two different alleles for a particular trait is heterozygous GENOTYPE AND PHENOTYPE

Biology

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Chromosome
Genetic variation
Mutation
Meiosis
health

03.01 Mitosis Binary Fission Mutation Transduction Conjugation Transformation 03.02 Asexual and Sexual Reproduction Diploid and Haploid Cells Sex Chromosomes Meiosis Ova and Sperm Mitosis vs. Meiosis 03.03 Mendel Mendel?s Experiment Hybridization Mendel?s Conclusions Patterns of Inheritance Inheritence Self-Check 03.04 Probability Genetic Vocabulary homozygous heterozygous phenotype genotype. Punnett Squares Test Crosses Independent Assortment dihybrid Extended Genetics Multiple Alleles Codominance Sex Linked Traits Pedigree 03.05 Structure of DNA DNA Replication RNA and DNA Flow of Genetic Information Transcription-Translation The Genetic Code 03.06 Mutations Gene Mutations Genetic Variation Gene Expression Helpful and Harmful Mutations Examples of Mutations Cancer 03.07
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