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Genes Mutations and Diseases PowerPoint Presentation

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Description : Check out this medical titled "GENES, MUTATIONS & DISEASES: UNDERSTANDING THE ORIGINS OF GENETIC DISORDERS”.

This medical is about genes, mutations and genetic disorders.

Genes are the basic units of heredity that determine the traits we inherit from our parents. They are made up of DNA sequences that encode instructions for the synthesis of proteins, which carry out a wide variety of functions in our bodies.

Mutations are changes that occur in the DNA sequence of a gene, which can result in altered protein synthesis or function. Some mutations may have no effect on the protein, while others may alter its function or expression, leading to a variety of genetic disorders.

Genetic disorders can be inherited in different ways depending on the specific gene involved. Some disorders are caused by a single gene mutation, such as cystic fibrosis or sickle cell anemia, while others may be caused by mutations in multiple genes or complex interactions between genes and environmental factors.

Mutations can occur spontaneously, as a result of errors during DNA replication or exposure to environmental factors such as radiation or chemicals, or they can be inherited from parents who carry the mutated gene.

Some genetic disorders are more common in certain populations due to genetic variations that have arisen over time. For example, sickle cell anemia is more prevalent in individuals of African descent, while Tay-Sachs disease is more common in individuals of Ashkenazi Jewish descent.

Advances in genetic testing and sequencing technologies have allowed for earlier detection and diagnosis of genetic disorders, as well as targeted treatments based on a patients specific genetic profile.

Overall, understanding the origins of genetic disorders requires a comprehensive understanding of genes, mutations, and their interactions, as well as the environmental and cultural factors that contribute to their prevalence and impact.

Tags : genes, mutations, genetic disorders, DNA sequences, synthesis of proteins, Medical Genetics, Medical Genetics

Published on : Jun 01, 2023 | Views : 883 | Downloads : 5

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Slide 1-

GENES, MUTATIONS & DISEASES: UNDERSTANDING THE ORIGINS OF GENETIC DISORDERS http://www.raogk.org/dna/
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PREVIOUSLY… Nucleotides, DNA, and Genes http://igbiologyy.blogspot.com/ http://knowgenetics.org/
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PREVIOUSLY… PROTEINS (active cell machinery)
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OUR GOAL: to understand sickle cell a sickle https://en.wikipedia.org
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LESSON #3
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GAMETES (SEX CELLS) SOMATIC CELLS 23 PAIRS OF CHROMOSOMES (46 CHROMOSOMES) DIPLOID 23 CHROMOSOMES HAPLOID http://64.40.115.136.van.ca.siteprotect.com/
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MITOSIS 23 PAIRS IN HUMANS diploid https://oikos2011.wordpress.com
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Mitosis: METAPHASE ANAPHASE TELOPHASE
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ACTIVITY #1 MITOSIS In plants, roots continue to grow as they search for water and nutrients. These regions of growth are useful for studying mitosis because at any given time, you can find cells that are undergoing mitosis. Can you identify cells in each stage of mitosis? http://galleryhip.com/ http://cherlyncreative2biology.blogspot.com/
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MEIOSIS In humans, meiosis reduces the number of chromosomes from 46 (23 pairs) to 23 (single). Sex cells are produced by meiosis. in humans n = 23 diploid haploid http://bio.rutgers.edu/
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Meiosis I:
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Meiosis II:
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ACTIVITY #2 MEIOSIS http://www.powershow.com/
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Down Syndrome – Trisomy 21 Patau Syndrome – Trisomy 13 Errors in meiosis can occur http://imgkid.com/
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INHERITANCE AND GENETIC DIVERSITY diploid haploid diploid
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egg-producing cell sperm-producing cell MEIOSIS FERTILIZATION FERTILIZED EGGS http://www.slideshare.net/rossbiology
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GENETIC DIVERSITY Homologous chromosomes are chromosome pairs with genes for the same characteristic. An allele is one of the alternative forms of the same gene.
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A A A O O O PHENOTYPE: (BLOOD TYPE) A A O GENOTYPE: homozygous heterozygous homozygous allele A is DOMINANT allele O is RECESSIVE
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PTC non-taster PTC taster Does the class exhibit the dominant phenotypes? ACTIVITY #3 PHENOTYPES Cengage Learning Asking About Life Lab Manual http://learn.genetics.utah.edu/
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CYSTIC FIBROSIS ALBINISM DWARFISM recessive chromosome 11 dominant chromosome 4 recessive chromosome 7 Genetic disorders are caused by one or more abnormalities in one or more genes. http://www.doctortipster.com/ http://diseasespictures.com/
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Sickle cell is a recessive disorder. A mutation occurs in an allele found in chromosome 11. http://igbiologyy.blogspot.com/ http://hcbb.com/ http://www.globalstem.com/ https://quantumtunnel.wordpress.com