m12-comparative_genomics
... BST281: Genomic Data Manipulation, Spring 2017 Monday 10: Comparative Genomics Molecular evolution Biological systems replicate imperfectly, resulting in genomic (genotype) variation o Deleterious (harmful) variants tend to be purged (replicate less or not at all) = negative selection o Neutral va ...
... BST281: Genomic Data Manipulation, Spring 2017 Monday 10: Comparative Genomics Molecular evolution Biological systems replicate imperfectly, resulting in genomic (genotype) variation o Deleterious (harmful) variants tend to be purged (replicate less or not at all) = negative selection o Neutral va ...
DAY 2: Mechanisms of evolution
... same place at the same time • the smallest biological unit that can evolve • individuals do not have diversity from which to select • changes in an individual over time, e.g. muscle size due to increased work outs, are NOT passed on to offspring (this is Lamarckian evolution!) ...
... same place at the same time • the smallest biological unit that can evolve • individuals do not have diversity from which to select • changes in an individual over time, e.g. muscle size due to increased work outs, are NOT passed on to offspring (this is Lamarckian evolution!) ...
DO NOW 8 TRAITS
... should be established to regulate cloning? Share your answer with a partner in your group. S7L3.c Recognize that selective breading can produce plants or animals with desired traits. S7L3.a Explain the role of genes and chromosomes in the process of inheriting a specific trait. ...
... should be established to regulate cloning? Share your answer with a partner in your group. S7L3.c Recognize that selective breading can produce plants or animals with desired traits. S7L3.a Explain the role of genes and chromosomes in the process of inheriting a specific trait. ...
11.1 Genetic Variation Within Population
... • Phenotypic variation is necessary for natural selection. • Genetic variation is stored in a population’s gene pool. – made up of all alleles in a population – allele combinations form when organisms have offspring ...
... • Phenotypic variation is necessary for natural selection. • Genetic variation is stored in a population’s gene pool. – made up of all alleles in a population – allele combinations form when organisms have offspring ...
C23 Evolution of Populations
... if genes left intact they may be neutral changes Translocation: Part of 1 chromosome breaks off & attaches ...
... if genes left intact they may be neutral changes Translocation: Part of 1 chromosome breaks off & attaches ...
Chapter 17: Population Genetics and Speciation Section 1: Genetic
... for species B. Definition depends on organisms and field of science being studied C. Generally defined as a group of natural populations that can interbreed and produce fertile offspring ...
... for species B. Definition depends on organisms and field of science being studied C. Generally defined as a group of natural populations that can interbreed and produce fertile offspring ...
11.3 Other Mechanisms of Evolution
... 11.3 Other Mechanisms of Evolution • Genetic drift has negative effects on a population. – less likely to have some individuals that can adapt to a changing environment due to loss of genetic variation – harmful alleles can become more common due to chance Example of Genetic Drift Cheetahs exhibit ...
... 11.3 Other Mechanisms of Evolution • Genetic drift has negative effects on a population. – less likely to have some individuals that can adapt to a changing environment due to loss of genetic variation – harmful alleles can become more common due to chance Example of Genetic Drift Cheetahs exhibit ...
what is mutation?
... DELETION: genetic material is removed or deleted. A few bases can be deleted or it can be complete or partial loss of a chromosome FRAMESHIFT: the insertion or deletion of a number of bases that is not a multiple of 3. This alters the reading frame of the gene and frequently results in a premature s ...
... DELETION: genetic material is removed or deleted. A few bases can be deleted or it can be complete or partial loss of a chromosome FRAMESHIFT: the insertion or deletion of a number of bases that is not a multiple of 3. This alters the reading frame of the gene and frequently results in a premature s ...
Slide 1
... Sequences of 3 bases in RNA code for a single amino acid There are 64 possible ‘triplets’ that can be formed from the 4 different bases, but there are only 20 amino acids (AA) In most cases, more than one type of triplet codes for a given AA For example, CAA and CAG both code for the same AA, glutam ...
... Sequences of 3 bases in RNA code for a single amino acid There are 64 possible ‘triplets’ that can be formed from the 4 different bases, but there are only 20 amino acids (AA) In most cases, more than one type of triplet codes for a given AA For example, CAA and CAG both code for the same AA, glutam ...
Evolution of Populations
... cactus plants with the fewest spines As a result, at flowering time there are more cacti with higher spine numbers; thus, there are more of their alleles going into pollen, eggs, and seeds for the next generation. ...
... cactus plants with the fewest spines As a result, at flowering time there are more cacti with higher spine numbers; thus, there are more of their alleles going into pollen, eggs, and seeds for the next generation. ...
05 Evolution 2009
... ***Are most mutations beneficial? Are most mutations dominant? What happens to harmful mutations? • Most mutations are harmful and recessive; natural selection weeds out most deleterious alleles, leaving those that best suit organisms to their environments. • Some mutations are neutral. They may be ...
... ***Are most mutations beneficial? Are most mutations dominant? What happens to harmful mutations? • Most mutations are harmful and recessive; natural selection weeds out most deleterious alleles, leaving those that best suit organisms to their environments. • Some mutations are neutral. They may be ...
ModelsOfChange23_2
... How mutation and sexual reproduction each produce genetic variation. How natural selection, genetic drift, and gene flow contribute to changing allele frequencies. ...
... How mutation and sexual reproduction each produce genetic variation. How natural selection, genetic drift, and gene flow contribute to changing allele frequencies. ...
File
... inserted into the plant’s chromosomes. This causes the plant to produce gall cells, which manufacture amino acids that the bacterium uses as food. This process is a natural example of: A polyploidy B genetic manipulation C grafting D hybridization ...
... inserted into the plant’s chromosomes. This causes the plant to produce gall cells, which manufacture amino acids that the bacterium uses as food. This process is a natural example of: A polyploidy B genetic manipulation C grafting D hybridization ...
Me oh Mi!
... You son of a I like those Biological Dar “win” or Get to ClassMe oh Mi! Lose ification Genes Process! ...
... You son of a I like those Biological Dar “win” or Get to ClassMe oh Mi! Lose ification Genes Process! ...
Unit A Glossary
... shows a trait that is different from either homozygote, and usually intermediate between them. 2. Inherit, inherited The passage of traits from parent to offspring. 3. Introduced species A species that has been moved by humans from its normal habitat to a new habitat, either intentionally or by mist ...
... shows a trait that is different from either homozygote, and usually intermediate between them. 2. Inherit, inherited The passage of traits from parent to offspring. 3. Introduced species A species that has been moved by humans from its normal habitat to a new habitat, either intentionally or by mist ...
L567 lecture 22 speciation new
... Step 2: Genetic divergence of isolated populations due to either A. Genetic drift B. Natural selection. i.e. different selection pressures on populations that are isolated in space (or time). C. Drift and selection (shifting balance) causing peak shifts on complex adaptive topographies (more than on ...
... Step 2: Genetic divergence of isolated populations due to either A. Genetic drift B. Natural selection. i.e. different selection pressures on populations that are isolated in space (or time). C. Drift and selection (shifting balance) causing peak shifts on complex adaptive topographies (more than on ...
evolution - wentworth science
... • If we follow this line back far enough, it links up with other ancestors of other organisms which ultimately links up with the HUGE tree of life, linking ALL organisms ...
... • If we follow this line back far enough, it links up with other ancestors of other organisms which ultimately links up with the HUGE tree of life, linking ALL organisms ...
Selection Coevolution
... Red Queen situation: to remain in one place (survive without being vulnerable to pathogens), you have to keep evolving new defenses. In this case there is frequency-dependent selection, where the common phenotype has a reduced fitness (pathogens will easily infect individuals who all have the same i ...
... Red Queen situation: to remain in one place (survive without being vulnerable to pathogens), you have to keep evolving new defenses. In this case there is frequency-dependent selection, where the common phenotype has a reduced fitness (pathogens will easily infect individuals who all have the same i ...
Exam
... ___ 20. Which of the following statements about contemporary taxonomy and phylogenetic analysis is most correct? a. Taxonomy is use to reveal the Scale of Nature b. Taxonomy is a method of classifying species in a hierarchical way that does not necessarily reflect evolutionary relationships c. Phylo ...
... ___ 20. Which of the following statements about contemporary taxonomy and phylogenetic analysis is most correct? a. Taxonomy is use to reveal the Scale of Nature b. Taxonomy is a method of classifying species in a hierarchical way that does not necessarily reflect evolutionary relationships c. Phylo ...
Fathers and Mothers of Genetics
... (1822 – January 6, 1884) a german monk; referred to as the "father of genetics" for his study of the inheritance of traits in pea plants. Mendel showed that the inheritance of traits follows particular laws, which were later named after him. The significance of Mendel's work was not recognized until ...
... (1822 – January 6, 1884) a german monk; referred to as the "father of genetics" for his study of the inheritance of traits in pea plants. Mendel showed that the inheritance of traits follows particular laws, which were later named after him. The significance of Mendel's work was not recognized until ...
Jeopardy: Evolution of Life Natural Adaptations Speciation Human
... What is the evolutionary relationship between humans and Neanderthals? We share a common ancestor, but are not descended FROM Neanderthals ...
... What is the evolutionary relationship between humans and Neanderthals? We share a common ancestor, but are not descended FROM Neanderthals ...
