CHAPTER 11 INTRODUCTION TO GENETICS
... - the likelihood that a particular event will occur - past outcomes do not affect future ones - the way in which alleles segregate is completely random, therefore, we can use the principles of probability to predict the outcomes of genetic crosses ...
... - the likelihood that a particular event will occur - past outcomes do not affect future ones - the way in which alleles segregate is completely random, therefore, we can use the principles of probability to predict the outcomes of genetic crosses ...
Sources of Variation
... The random arrangement of homologous chromosomes during meiosis that results in gametes with unique combinations of alleles. During meiosis 1 (first division), homologous chromosomes pair up side by side. Each of the resulting daughter cells will receive one chromosome from each pair. For example, h ...
... The random arrangement of homologous chromosomes during meiosis that results in gametes with unique combinations of alleles. During meiosis 1 (first division), homologous chromosomes pair up side by side. Each of the resulting daughter cells will receive one chromosome from each pair. For example, h ...
Ch.23 Study Guide
... this allele from all human populations? A) Natural selection is a positive force, so it does not eliminate alleles. B) In populations where endemic malaria is present, heterozygotes have an important advantage: They are resistant to malaria and therefore are more likely to survive and produce offspr ...
... this allele from all human populations? A) Natural selection is a positive force, so it does not eliminate alleles. B) In populations where endemic malaria is present, heterozygotes have an important advantage: They are resistant to malaria and therefore are more likely to survive and produce offspr ...
Gregor Mendels Experiments and Outcome dominnat and recessive
... stronger trait. Lower case letters are used to represent recessive genes. We use lower case letters to represent recessive traits. Example: Blue Eyes= e If this trait is present in an individuals DNA, it will not always show up as a physical characteristic. It will only show if the person’s alleles ...
... stronger trait. Lower case letters are used to represent recessive genes. We use lower case letters to represent recessive traits. Example: Blue Eyes= e If this trait is present in an individuals DNA, it will not always show up as a physical characteristic. It will only show if the person’s alleles ...
after
... • Reality is much more complex for most traits in most organisms Incomplete dominance or codominance More than 2 alleles for many genes Pleiotropy – one gene affects multiple traits Polygenic traits – multiple genes affect one trait Epistasis – one gene affects expression of another gene Envir ...
... • Reality is much more complex for most traits in most organisms Incomplete dominance or codominance More than 2 alleles for many genes Pleiotropy – one gene affects multiple traits Polygenic traits – multiple genes affect one trait Epistasis – one gene affects expression of another gene Envir ...
Ch. 11 ppt
... In humans blood type AB (IAIB) is codominant. What blood types are possible if two people with AB blood type have children? ...
... In humans blood type AB (IAIB) is codominant. What blood types are possible if two people with AB blood type have children? ...
File
... cat that has tan fur (b). If we assume that fur color exhibits codominance, what will be the phenotypes of the offspring. (Hint: black and tan fur together make a color called “tabby” in cats). ...
... cat that has tan fur (b). If we assume that fur color exhibits codominance, what will be the phenotypes of the offspring. (Hint: black and tan fur together make a color called “tabby” in cats). ...
Mechanisms for Evolution
... 3. Describe the founder effect. 4. How many generations did it take each of your populations to become homogenous? (homogenous = all the same color) 5. Based on what you did in the simulation, describe the role randomness plays in genetic drift. ...
... 3. Describe the founder effect. 4. How many generations did it take each of your populations to become homogenous? (homogenous = all the same color) 5. Based on what you did in the simulation, describe the role randomness plays in genetic drift. ...
pedigree
... uncoordinated, jerky body movements and a decline in some mental abilities. People with Huntington’s Disease have too many CAG’s in a gene on their DNA and so form a mutant protein from too many ...
... uncoordinated, jerky body movements and a decline in some mental abilities. People with Huntington’s Disease have too many CAG’s in a gene on their DNA and so form a mutant protein from too many ...
Interpreting Equine Genetic Defect Testing Results
... The Animal Genetics, Inc. test makes it easy to identify the mode of inheritance because they use a combination of upper and lowercase letters to denote the type of inheritance of each defect. With their results, a capital letter means a dominant allele (and you only need one to see that phenotype, ...
... The Animal Genetics, Inc. test makes it easy to identify the mode of inheritance because they use a combination of upper and lowercase letters to denote the type of inheritance of each defect. With their results, a capital letter means a dominant allele (and you only need one to see that phenotype, ...
PUNNETT SQUARE PRACTICE
... A gardener has two tall pea plants. How can the gardener determine whether the two plants are homozygous or heterozygous for the gene determining tallness? Show the two Punnett squares as evidence for your conclusion. What is this type of cross called? ...
... A gardener has two tall pea plants. How can the gardener determine whether the two plants are homozygous or heterozygous for the gene determining tallness? Show the two Punnett squares as evidence for your conclusion. What is this type of cross called? ...
Patterns of Inheritance
... are always expressed in the phenotype. • An allele that has the same effect on the phenotype in a heterozygous individual (where it is combined with a recessive allele) as in a homozygous individual (where there are two copies of the dominant allele) • Recessive allele: an allele that has an effect ...
... are always expressed in the phenotype. • An allele that has the same effect on the phenotype in a heterozygous individual (where it is combined with a recessive allele) as in a homozygous individual (where there are two copies of the dominant allele) • Recessive allele: an allele that has an effect ...
Presentation
... are found in the same bloom and can easily be cross-pollenated. • The garden pea grows on a small plant, matures quickly, and produces many offspring. ...
... are found in the same bloom and can easily be cross-pollenated. • The garden pea grows on a small plant, matures quickly, and produces many offspring. ...
B - El Camino College
... C) he knew that there were many varieties available with distinctive characteristics. D) all of the above. 2. Human height shows a continuous variation from the very short to the very tall. Height is most likely controlled by: A) epistatic genes. B) environmental factors. C) sex-linked genes. D) mul ...
... C) he knew that there were many varieties available with distinctive characteristics. D) all of the above. 2. Human height shows a continuous variation from the very short to the very tall. Height is most likely controlled by: A) epistatic genes. B) environmental factors. C) sex-linked genes. D) mul ...
Gregor Mendel`s Experiment
... • Organisms that have two different alleles for the same trait are heterozygous (Ex: Tt) • Homozygous organisms are true-breeding for a particular trait. Heterozygous organisms are hybrid for a particular trait. ...
... • Organisms that have two different alleles for the same trait are heterozygous (Ex: Tt) • Homozygous organisms are true-breeding for a particular trait. Heterozygous organisms are hybrid for a particular trait. ...
NAME
... cells that are easily infected with the malarial parasite. Thus, many of these individuals become very ill from the parasite and many die. Individuals homozygous for the sickle-cell trait (ss) have red blood cells that readily collapse when deoxygenated. Although malaria cannot grow in these red blo ...
... cells that are easily infected with the malarial parasite. Thus, many of these individuals become very ill from the parasite and many die. Individuals homozygous for the sickle-cell trait (ss) have red blood cells that readily collapse when deoxygenated. Although malaria cannot grow in these red blo ...
Reebop Populations
... for tail shape changed. In a similar way, the gene frequencies for lots and lots of other genes also changed. Mutations of some genes added new alleles that didn’t even exist in the original population. ...
... for tail shape changed. In a similar way, the gene frequencies for lots and lots of other genes also changed. Mutations of some genes added new alleles that didn’t even exist in the original population. ...
Hypertrichosis Sex Linked
... that reappears once it has disappeared generations ago. • Atavisms likely occur as a result of mutation, but can also happen by gene rearrangements. • There is a difference between atavism and vestigial structures. – Vestigial structures are body parts that survive as degenerate, imperfect versions ...
... that reappears once it has disappeared generations ago. • Atavisms likely occur as a result of mutation, but can also happen by gene rearrangements. • There is a difference between atavism and vestigial structures. – Vestigial structures are body parts that survive as degenerate, imperfect versions ...
study of mendelian and non mendelian inheritance pattern
... standard (100%), and the concentration of phenylalanine in the blood [phe] is about 60 uM. In untreated persons homozygous for one of the PKU alleles (BB), PAH activity is close to zero, [phe] ten to forty times standard, and the individual manifests PKU. In the AB heterozygote, PAH activity is only ...
... standard (100%), and the concentration of phenylalanine in the blood [phe] is about 60 uM. In untreated persons homozygous for one of the PKU alleles (BB), PAH activity is close to zero, [phe] ten to forty times standard, and the individual manifests PKU. In the AB heterozygote, PAH activity is only ...
Genetic Nomenclature
... Allele designation is sometimes historical. The name of a gene is often based on mutations for the trait. Cy is the gene for curly wings in Drosophila. Wild-type phenotype is straight wings. w is the gene for white eyes in Drosophila. Wild-type phenotype is brick-red eyes. ...
... Allele designation is sometimes historical. The name of a gene is often based on mutations for the trait. Cy is the gene for curly wings in Drosophila. Wild-type phenotype is straight wings. w is the gene for white eyes in Drosophila. Wild-type phenotype is brick-red eyes. ...
svhs lab science and technology
... Tt? tt? If 1000 pea plants were produced from the F1 cross, how many would be tall? ...
... Tt? tt? If 1000 pea plants were produced from the F1 cross, how many would be tall? ...
Genetic Nomenclature
... Allele designation is sometimes historical. The name of a gene is often based on mutations for the trait. Cy is the gene for curly wings in Drosophila. Wild-type phenotype is straight wings. w is the gene for white eyes in Drosophila. Wild-type phenotype is brick-red eyes. ...
... Allele designation is sometimes historical. The name of a gene is often based on mutations for the trait. Cy is the gene for curly wings in Drosophila. Wild-type phenotype is straight wings. w is the gene for white eyes in Drosophila. Wild-type phenotype is brick-red eyes. ...