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Dominance

Chapter 15 review

Subject: 
Biology
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Classical genetics
Genetics
Genetic linkage
Mendelian inheritance
Complete linkage
Alfred Sturtevant
Homologous chromosome
genetic recombination
Test cross
heredity
Dominance
Thomas Hunt Morgan

CHAPTER 15THE CHROMOSOMAL BASIS OFINHERITANCE Copyright ? 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section A: Relating Mendelism to Chromosomes1. Mendelian inheritance has its physical basis in the behavior ofchromosomes during sexual life cycles2. Morgan traced a gene to a specific chromosome3. Linked genes tend to be inherited together because they are located on thesame chromosome4. Independent assortment of chromosomes and crossing over produce geneticrecombinants5. Geneticists use recombination data to map a chromosome?s genetic loci

Pearson Ch 14 - Mendel and Genes

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Biology
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Classical genetics
Monohybrid cross
Dominance
Mendelian inheritance
Test cross
Punnett square
Zygosity
genotype
Lethal allele
heredity
Genetics
F1 hybrid

Ch 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) This hypothesis can explain the reappearance of traits after several generations 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

Pearson Ch. 23 - The Evolution of Populations

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Biology
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Population genetics
Allele frequency
Dominance
Balancing selection
Genetic drift
Natural selection
Genetic variation
Hardy–Weinberg principle
Heterozygote advantage
evolution
Genotype frequency
Polymorphism

Ch 23: The Evolution of Populations Overview Microevolution is a change in allele frequencies in a population over generations Concept 23.1: Genetic variation makes evolution possible Genetic Variation Genetic variation among individuals is caused by differences in genes or other DNA segments Phenotype is the product of inherited genotype and environmental influences Natural selection can only act on variation with a genetic component Formation of New Alleles New genes and alleles can arise by mutation or gene duplication A mutation is a heritable change in nucleotide sequence of DNA Only mutations in cells that produce gametes can be passed to offspring A point mutation is a change in one base in a gene The effects of point mutations can vary:

Intro to Evolution and Evolutionary Genetics: Exam Study Notes

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Biology
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Biology
Genetics
Gene
Chromosome
Meiosis
DNA
evolution
cell
Mutation
Dominance
Cohesin
Homologous chromosome

Evolution and the Themes of Biology Identify global challenges that may require a biological solution. pollution acid rain / ocean acidification antibiotic-resistant pathogens Describe how an organism?s environmental adaptations result from evolution. individuals best suited to their environment are more likely to survive and reproduce more individuals will have these advantageous traits in subsequent generations (if they are heritable) Identify (and give examples) of the different levels of the hierarchy of biology. Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Carnivora Family: Ursidae Genus: Ursus Species: Ursus Maritimus Describe how the food competition hypothesis (in the context of giraffes? long necks) was not supported by data.

Ap Biology Chapter 14 Genetics Review

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Biology
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Genetics
Biology
Classical genetics
Philosophy of biology
Dominance
Recessive
Punnett square
Sickle-cell disease
genotype
Sickle cell trait
Genetic disorder
Hybrid
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

Chapter 14 #5 A black guinea pig crossed with an albino guinea pig produces 12 black offspring. When the albino is crossed with a second black one, 7 blacks and 5 albinos are obtained. What is the best explanation for this genetic situation? Write genotypes for the parents, gametes, and offspring Answer Albino (b) is a recessive trait; black (B) is dominant. First cross: parents BB ? bb; gametes B and b; offspring all Bb (black coat). Second cross: parents bb ? Bb; gametes 1/2 B and 1/2 b (heterozygous parent) and b; offspring 1/2 Bb and 1/2 bb #6

Ap Biology Genetics Questions

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Biology
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Genetics
Biology
Classical genetics
Philosophy of biology
Dominance
Recessive
Punnett square
genotype
Hybrid
Sickle-cell disease
Genetic disorder
Sickle cell trait
health
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

Genetics Problems 1. A rooster with gray feathers is mated with a hen of the same phenotype. Among their offspring, 15 chicks are gray, 6 are black, and 8 are white. What is the simplest explanation for the inheritance of these colors in chickens? What offspring would you predict from the mating of a gray rooster and a black hen? 2. In some plants, a true-breeding, red-flowered strain gives all pink flowers when crossed with a white-flowered strain: RR (red) x rr (white) ---> Rr (pink). If flower position (axial or terminal) is inherited as it is in peas what will be the ratios of genotypes and phenotypes of the generation resulting from the following cross: axial-red (true-breeding) x terminal-white? What will be the ratios in the F2 generation?

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:

APUSH

Subject: 
US History
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Classical genetics
Biology
Genetics
Philosophy of biology
Dominance
genotype
Population genetics
Statistical genetics
Social Issues
law
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Attachment theory
Ethology
Personal life
Technology

PERIOD 4 Case 1: Ideal H-W ? Surviving Genotypes ? AA Aa aa Parental ? 22 ? F1 4 14 4 F2 8 9 5 F3 8 12 2 F4 7 14 1 F5 10 7 5 Freq. of genotypes Freq. of alleles Gen. # p2 (AA) 2pq (Aa) q2 (aa) p (A) q (a) Parental (H-W hypo.) F5 (H-W hypo) F5 (actual) Case 2: Selection against Homozygous Recessive ? Surviving Genotypes ? AA Aa aa Parental ? 22 ? F1 8 14 0 F2 15 7 0 F3 15 7 0 F4 13 9 0 F5 12 10 0 Freq. of genotypes Freq. of alleles Gen. # p2 (AA) 2pq (Aa) q2 (aa) p (A) q (a) Parental (H-W hypo.) F5 (H-W hypo) F5 (actual) Case 3: Heterozygous Advantage ? Surviving Genotypes ?

Hardy Weinberg Answers

Subject: 
Biology
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Genetics
Biology
Classical genetics
Philosophy of biology
Population genetics
Dominance
Recessive
genotype
Allele frequency
Sickle cell trait
Hardy–Weinberg principle
Sickle-cell disease
health
Human development
behavior
Interpersonal relationships
Love
Psychoanalysis
Attachment theory
Human behavior
Personal life
Technology

Bio II DiGennaro Hardy-Weinberg Practice Problems A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is .35. What is the frequency of heterozygous rabbits? 0.484 What is the frequency of the B allele? 0.59 What is the frequency of the b allele? 0.41 A hypothetical population of 10,000 humans has 6840 individuals with the blood type AA, 2860 individuals with blood type AB and 300 individuals with the blood type BB. What is the frequency of each genotype in this population? AA = 0.684 / AB = 0.286 / BB = 0.03 What is the frequency of the A allele? 0.827 What is the frequency of the B allele? 0.173

Hardy Weinberg Problems

Subject: 
Biology
Rating: 
0
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Tags: 
Genetics
Biology
Classical genetics
Philosophy of biology
Population genetics
Dominance
Recessive
genotype
Allele frequency
Sickle cell trait
Hardy–Weinberg principle
Sickle-cell disease
health
Human development
behavior
Interpersonal relationships
Love
Psychoanalysis
Attachment theory
Human behavior
Personal life
Technology

Bio II DiGennaro Hardy-Weinberg Practice Problems A population of rabbits may be brown (the dominant phenotype) or white (the recessive phenotype). Brown rabbits have the genotype BB or Bb. White rabbits have the genotype bb. The frequency of the BB genotype is .35. What is the frequency of heterozygous rabbits? What is the frequency of the B allele? What is the frequency of the b allele? A hypothetical population of 10,000 humans has 6840 individuals with the blood type AA, 2860 individuals with blood type AB and 300 individuals with the blood type BB. What is the frequency of each genotype in this population? What is the frequency of the A allele? What is the frequency of the B allele?

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