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chapter13_Sections 4-6
chapter13_Sections 4-6

... • Thus, gene pairs on one chromosome get sorted into gametes independently of gene pairs on other chromosomes • Punnett squares can be used to predict inheritance patterns of two or more genes simultaneously ...
Sexual and Asexual Reproduction
Sexual and Asexual Reproduction

... fertilization so it typically requires the sex cells of two parents. ...
Speciation
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... successfully with members of either parental population because polyploid individuals have twice as many chromosomes as their parents. Therefore the chromosomes cannot pair properly during the first metaphase of meiosis. ...
Chapter 16
Chapter 16

... Explain the importance of the bell curve to population genetics. Compare three causes of genetic variation in a population. Calculate allele frequency and phenotype frequency. Explain Hardy-Weinberg genetic equilibrium. ...
Mendel Discovers “Genes” 9-1
Mendel Discovers “Genes” 9-1

... parent and an allele for the color white white parent. from their ______ The F1 plants ALL _____________ look PURPLE carrying an but are ___________ allele for ______. white ...
Lecture Powerpoint Here
Lecture Powerpoint Here

... • When the reciprocal translocation occurred, a gene at the end of chromosome 9 fused with a gene from chromosome 22 • This hybrid gene encodes an abnormal protein that stimulates uncontrolled division of white blood cells ...
Mendelian Genetics II: Probability
Mendelian Genetics II: Probability

... Postulate 2. Dominance/recessiveness •In the case of unlike unit factors, one can be dominant and the other can be recessive. •In other words, when two different alleles of a gene are present, one may show its effect while the other may be masked. •For example, Dd plants have a tall allele D and a ...
Exam 2 Key
Exam 2 Key

... of natural selection would include 5 fundamental principles of evolution indicated in the left column of the table below. In the right column, explain how each concept is represented in (or relevant to) the scenario above. Genetic Variation Origin of Variation Inheritance Fitness ...
Unit 6 Genetics and Heredity
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UNIT 6 STUDY GUIDE
UNIT 6 STUDY GUIDE

... 9) Freckles are dominant to plain skin and the freckle gene is on an autosomal; hemophilia (a disease in which blood doesn’t clot properly) is a sex-linked, recessive trait. A woman with plain skin and normal blood clotting (long family history of plain skin, but her dad was a hemophiliac) marries a ...
Chapter 23
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... • Single parent gives rise to new offspring by mitotic cell division • Each new individual receives a set of chromosomes identical to the parent chromosomes • No variation of hereditary information ...
Meiosis
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... Choose ONE of the following projects to do as a summative MAJOR assessment for the Genetics Unit. Do detailed, quality work to get full credit. Selective Breeding vs. Genetic Modification Corn is one of the most manipulated crops. Create a Presentation or Poster comparing traditional selective bree ...
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... During self pollination • Pollen from anthers (male) is transferred to the stigma (female) • Fertilization occurs when a sperm from the pollen travels through the stigma and enters the egg in the ovule. ...
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... For two years, the scientist grew different varieties of peas to make sure that their offspring were always the same. Then be began breeding different varieties together to make hybrids. He brushed the pollen off yellow pea plants and put it on green pea plants, and did the same for plants with each ...
Mitosis, Meiosis and Fertilization Teacher Prep Notes
Mitosis, Meiosis and Fertilization Teacher Prep Notes

... We recommend that this activity be followed by our Genetics activity, so the students will see how understanding meiosis and fertilization is the basis for understanding genetics. Teaching points:  The body needs to be able to produce new cells for growth, development and repair.  Each cell has DN ...
Document
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... allele M and miniature wings by the recessive allele m. In an experiment, a purebreeding female fly with normal wings was crossed with a male having miniature wings. All the offspring had normal wings. When these offspring were allowed to interbreed, the following results were obtained: ...
Mendel`s Law of Inheritance
Mendel`s Law of Inheritance

...  P generation: True breeding parents.  F1 generation: (first filial) Hybrid offspring of the P ...
MCDB 1041 Class 3 Mitosis
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... You have a plastic container representing the nucleus of a cell. Rearrange the contents of the cell so that you have a total of 4 chromosomes, 2 chromosomes of each size. Leave the extra chromosomes that may have been in your cell on the desktop to use later. The different colors indicate that the t ...
SPECIATION AND THE EVOLUTION OF DARWIN`S FINCHES B
SPECIATION AND THE EVOLUTION OF DARWIN`S FINCHES B

... in the Galápagos archipelago exemplify the three-step process envisioned by Charles Darwin: initial colonization of a new area; divergence in separate locations, chiefly through natural selection; and finally the development of a barrier to interbreeding between the divergent lineages. In this artic ...
Congenital & Genetic Disorders
Congenital & Genetic Disorders

... – Diploid = when one’s chromosomes are in matched pairs – One chromosome in the matched pair ---- from the father – One chromosome in the matched pair from the mother – These sister chromosomes called homologs – Alleles = genes that have the same locus (location) on sister chromosomes – Allele = eac ...
Karyotypes and Karyotyping
Karyotypes and Karyotyping

... and organizing them according to the arrangement, number, size, shape, or other characteristics of the chromosomes. ...
Genetics - Cloudfront.net
Genetics - Cloudfront.net

... generation to generation ...
Predicting Inherited Characteristics
Predicting Inherited Characteristics

... heredity using pea plants.  His work is the foundation for Modern genetics. ...
Genetics Exercises PDF
Genetics Exercises PDF

... Example: How steroids (e.g. testosterone) turn on genes for maleness, a lesson designed by Roger Innes A description of the process in words: 1) Steroids bind to proteins called “receptors”. 2) Steroid receptors dimerize and bind DNA. 3)  Steroid receptors that are bound to DNA recruit other protei ...
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Hybrid (biology)



In biology a hybrid, also known as cross breed, is the result of mixing, through sexual reproduction, two animals or plants of different breeds, varieties, species or genera. Using genetic terminology, it may be defined as follows. Hybrid generally refers to any offspring resulting from the breeding of two genetically distinct individuals, which usually will result in a high degree of heterozygosity, though hybrid and heterozygous are not, strictly speaking, synonymous. a genetic hybrid carries two different alleles of the same gene a structural hybrid results from the fusion of gametes that have differing structure in at least one chromosome, as a result of structural abnormalities a numerical hybrid results from the fusion of gametes having different haploid numbers of chromosomes a permanent hybrid is a situation where only the heterozygous genotype occurs, because all homozygous combinations are lethal.From a taxonomic perspective, hybrid refers to: Offspring resulting from the interbreeding between two animal species or plant species. See also hybrid speciation. Hybrids between different subspecies within a species (such as between the Bengal tiger and Siberian tiger) are known as intra-specific hybrids. Hybrids between different species within the same genus (such as between lions and tigers) are sometimes known as interspecific hybrids or crosses. Hybrids between different genera (such as between sheep and goats) are known as intergeneric hybrids. Extremely rare interfamilial hybrids have been known to occur (such as the guineafowl hybrids). No interordinal (between different orders) animal hybrids are known. The third type of hybrid consists of crosses between populations, breeds or cultivars within a single species. This meaning is often used in plant and animal breeding, where hybrids are commonly produced and selected, because they have desirable characteristics not found or inconsistently present in the parent individuals or populations.↑ ↑ ↑ ↑
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