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heredity

Heredity

Subject: 
Biology
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Genetics
Cytogenetics
Chromosome
Classical genetics
heredity
Biology
evolution
Gene
Phenotypic trait

Student Worksheet?Biology Strand: Heredity and Evolution Name___________________________ Date__________________ School_________________ Student?please print this worksheet and complete it as you interact with the tutorial. The completed worksheet should be turned in to your assigned teacher. Tutorial: What is heredity? http://learn.genetics.utah.edu/content/begin/tour/ Why do children resemble their parents, brothers and sisters? What is the basis of heredity? Where are our traits? Where are genes located? A. What helps define our traits? B. Give an example. How many sets of chromosomes do humans have? How do parents pass genes to a child? What two cells join to make a zygote? ___________________ & _________________

Chapter 15 review

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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

Genetics 2

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Biology
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Biology
Genetics
Classical genetics
heredity
Recessive
Dominance
Gregor Mendel
Particulate inheritance
Gene
evolution
Blending inheritance
Plant breeding

Mendel's Genetics ? Hybridized domesticated horses For thousands of years farmers and herders have been selectively breeding their plants and animals to produce more useful?hybrids?. ? It was somewhat of a hit or miss process since the actual mechanisms governing inheritance were unknown.? Knowledge of these genetic mechanisms finally came as a result of careful laboratory breeding experiments carried out over the last century and a half. ? ? Gregor Mendel???? 1822-1884???

Patterns of Heredity

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Biology
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Genetics
Biology
Classical genetics
Philosophy of biology
Dominance
Sex linkage
Zygosity
Recessive
Human genetics
genotype
heredity
Mendelian inheritance
health

Patterns of Heredity and Human Genetics Mendelian Inheritance of Human Traits Pedigree: a graphic representation of genetic inheritance A pedigree uses symbols that identify males and females, family relationships, individuals affected by a trait being studied. Carrier: an individual who carries a recessive trait that is not expressed (heterozygous) Simple Recessive Heredity Most genetic disorders are caused by recessive alleles. Cystic Fibrosis Most common fatal genetic disorder in US among people of European descent (1/28 carry, 1/2500 affected) Cells in respiratory and digestive system produce huge quantities of mucus Catch infections easily and suffocate Usually die before reach 20?s Tay-Sachs Disease

Ch 22: Descent with Modification

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Biology
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Biology
Evolutionary biology
evolution
On the Origin of Species
Natural selection
Species
Adaptation
Charles Darwin
heredity
Common descent
Artificial selection
organism
Environment

Ch 22: Descent with Modification Charles Darwin published On the Origin of Species by Means of Natural Selection (November 24, 1859) Origin of Species- focused biologists? attention on the great diversity of organisms a. Origins and relationships, similarities and differences, geographic distribution, adaptations to surrounding environments b. Presented evidence that the many species of organisms presently inhabiting Earth are descendants of ancestral species that were different from the modern species c. Proposed a mechanism for this evolutionary process Natural Selection Natural Selection- population can change over generations if individuals that possess certain heritable traits leave more offspring than other individuals

Chapter 11- Complex Inheritance and Human Heredity

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Biology
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Genetics
Biology
Philosophy of biology
Classical genetics
Dominance
Recessive
Sex linkage
genotype
Genetic disorder
Sickle-cell disease
Tay–Sachs disease
heredity
health

Chapter 11: Complex Inheritance and Human Heredity RECESSIVE GENETIC DISORDERS -A recessive trait that is expressed when the individual is homozygous recessive for the trait CYSTIC FIBROSIS -Affects the mucus-producing glands, digestive enzymes, and sweat glands ALBINISM -Caused by altered genes, resulting in the absence of melanin in hair and eyes TAY-SACHS DISEASE -Gangliosides (fatty acids) accumulate in the brain, inflating brain nerve cells and causing mental deterioration GALACTOSEMIA -Recssive genetic disorder characterized by the inability of the body to digest galactose DOMINANT GENETIC DISORDERS -Huntington's Disease affects the nervous system -Achondroplasia is a genetic condition that causes small body size and limbs that are comparatively short

Pedigree Lab

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Biology
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Biology
Genetics
Philosophy of biology
Genetic linkage
Recessive
heredity
Sex linkage
Genetic disorder
Chromosomal crossover
Dominance
X-linked recessive inheritance
genotype
health

Zoe Collins Mrs. G AP Biology 20 March 2014 Pedigree Lab Introduction: Gregor Mendel laid the foundation for our knowledge on genetics, and as time went one scientists continued to confirm and extend Mendel?s ideas. Discoveries on subjects such as DNA structure, mitosis and meioses all explain Mendel?s hypotheses. Mendel demonstrated that genes on different chromosomes, or unlinked genes, are inherited separately under the idea of independent assortment. But due to linked genes gametes are often produced with different combinations of alleles that are different then those of the parents.

Pedigree Lab

Subject: 
Biology
Rating: 
0
No votes yet
Tags: 
Biology
Genetics
Philosophy of biology
Genetic linkage
Recessive
heredity
Sex linkage
Genetic disorder
Chromosomal crossover
Dominance
X-linked recessive inheritance
genotype
health

Zoe Collins Mrs. G AP Biology 30 March 2014 Pedigree Lab Introduction: Gregor Mendel laid the foundation for our knowledge on genetics, and as time went one scientists continued to confirm and extend Mendel?s ideas. Discoveries on subjects such as DNA structure, mitosis and meioses all explain Mendel?s hypotheses. Mendel demonstrated that genes on different chromosomes, or unlinked genes, are inherited separately under the idea of independent assortment. But due to linked genes gametes are often produced with different combinations of alleles that are different then those of the parents.

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