'Sex linked genes' diaporamas de présentation

Beyond Dominant and Recessive Alleles AND Human Heredity

Beyond Dominant and Recessive Alleles AND Human Heredity. Chapter 11-3 Exploring Medelian Genetics AND Chapter 14-1 and 14-2. Incomplete Dominance, Codominance, Multiple Alleles and Polygenic Traits and Human Heredity. Not all genes show simple patterns of dominant and recessive alleles .

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Genetics

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Inheritance Patterns for Linked Genes

Inheritance Patterns for Linked Genes. Section Summary. Genes are located at specific chromosome locations called loci (singular, locus). Genes located in close proximity to each other on a chromosome tend to be genetically linked. (the genes are inherited together)

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Modern Genetics

Modern Genetics. Your note outline. 1- Morgan and Drosophila 2- Sex determination and chromosomes 3- Sex linked traits 4- Sex linked human disorders 5- Autosomal dominant human disorders 6- Autosomal recessive human disorders. Fruit flies have only 4 chromosomes Easy to store

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Chapter 12: Inheritance Patterns and Human

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CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE

CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE. History. It was not until 1900 that biology finally caught up with Gregor Mendel. Independently, Karl Correns, Erich von Tschermak, and Hugo de Vries all found that Mendel had explained the same results 35 years before.

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CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE

CHAPTER 15 THE CHROMOSOMAL BASIS OF INHERITANCE. History. It was not until 1900 that biology finally caught up with Gregor Mendel. Independently, Karl Correns, Erich von Tschermak, and Hugo de Vries all found that Mendel had explained the same results 35 years before.

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Quiz #8

Quiz #8. Given: on a trek in the desert, you come across a population of prairie dogs. You notice that some prairie dogs are pink while others are orange. You hypothesize that pink is dominant. List the genotypes and phenotypes that are possible under the PINK IS DOMINANT hypothesis. (3)

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Human Heredity

Human Heredity. There are 44 chromosomes that we call autosomal chromosomes . However, there are 2 chromosomes that determine our sex and we call them sex chromosomes. These 46 chromosomes all carry genes on them that determine our traits.

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Incomplete Dominance

Incomplete Dominance. One allele is not completely dominant over another. Incomplete Dominance.

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Variations in Mendelian Ratios

Variations in Mendelian Ratios. Explanations for not getting what you would expect…. Exceptions to Mendel’s Principles. Linkage Incomplete Dominance Co-Dominance Multiple Alleles Sex-Linked Genes Polygenic Epistasis Pleitropy. Linkage.

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SPONGE 9

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Humans have 23 pairs of chromosomes.

Sex Linked Traits. Humans have 23 pairs of chromosomes. One pair of chromosomes is related to the sex of an individual , these chromosomes are called sex chromosomes. Sex Linked Traits. The other 22 pairs of chromosomes are called autosomes (1-22). Sex Linked Traits.

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Probability and Punnett Squares

Probability and Punnett Squares. Probability is a way of expressing knowledge or belief that an event will occur or has occurred. The likely hood of cross will produce a particular type of offspring. Probability. Percentage- way of expressing a number as a fraction of 100

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Probability and Punnett Squares

Probability is a way of expressing knowledge or belief that an event will occur or has occurred. The likely hood of cross will produce a particular type of offspring. Probability and Punnett Squares. Probability. Percentage- way of expressing a number as a fraction of 100

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Warmup

Warmup. When you think about the words pedigree, blue-blooded royalty, bloodline, or heritage, what comes to mind?. Pedigrees. SEPTEMBER 30, 2009.

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Sex-linked Inheritance

X Marks the Spot!. Sex-linked Inheritance. Sex Chromosomes. Humans normally possess 23 pairs of chromosomes . 22 of these pairs are identical in both genders. They are called autosomes . 1 of these pairs differs between the genders; this pair is the sex chromosomes (X and Y) .

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Humans have 23 pairs of chromosomes.

Sex Linked Traits. Humans have 23 pairs of chromosomes. One pair of chromosomes is related to the sex of an individual , these chromosomes are called sex chromosomes. Sex Linked Traits. The other 22 pairs of chromosomes are called autosomes. Sex Linked Traits.

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Meiosis and Sex-linked traits

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