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Baby Lab Instructions 1. Choosing Your Donor Bring a color
... NOTE (Sex-linked Disorders): Sex-linked alleles are those located on one sex chromosome but not the other. In humans, most sex-linked alleles are located on the X chromosome (as they are in this lab). A male (XY) only receives sex-linked alleles from his mother, since the Y chromosome is always inhe ...
... NOTE (Sex-linked Disorders): Sex-linked alleles are those located on one sex chromosome but not the other. In humans, most sex-linked alleles are located on the X chromosome (as they are in this lab). A male (XY) only receives sex-linked alleles from his mother, since the Y chromosome is always inhe ...
Mitosis, Meiosis, and Cancer
... part of the body. There about 200 different types of cancer, and each is classified by the type of cell that is initially affected. ...
... part of the body. There about 200 different types of cancer, and each is classified by the type of cell that is initially affected. ...
Sex-linked genes, genes located on one of the sex chromosomes (X
... chromosome, thus most sex-linked genes are X-linked genes. ...
... chromosome, thus most sex-linked genes are X-linked genes. ...
Ch 14- Human Heredity
... • Mom is XX, she can donate either one X chromosome or the other X chromosome • Dad is XY, he can donate either an X chromosome or a Y chromosomes. • If the offspring receives the father’s X, it is female • If the offspring receives the father’s Y, it is male ...
... • Mom is XX, she can donate either one X chromosome or the other X chromosome • Dad is XY, he can donate either an X chromosome or a Y chromosomes. • If the offspring receives the father’s X, it is female • If the offspring receives the father’s Y, it is male ...
Name_______________________________________________
... 7 The allele that is expressed in the phenotype even if it is the only copy present in the genotype. 10 When a sperm and egg combine to form one new cell. 11 A special kind of cell division that produces haploid cells. 12 A ratio that compares a number to 100. 14 A unit of heredity that occupies a s ...
... 7 The allele that is expressed in the phenotype even if it is the only copy present in the genotype. 10 When a sperm and egg combine to form one new cell. 11 A special kind of cell division that produces haploid cells. 12 A ratio that compares a number to 100. 14 A unit of heredity that occupies a s ...
Summary - marric
... There are two stages in meiosis. During the first stage, the DNA in special cells in the reproductive organs is copied. The cells then divide. Two cells are formed. These cells are different from each other and different from the parent cell. In the second stage of meiosis, the cells divide again. T ...
... There are two stages in meiosis. During the first stage, the DNA in special cells in the reproductive organs is copied. The cells then divide. Two cells are formed. These cells are different from each other and different from the parent cell. In the second stage of meiosis, the cells divide again. T ...
Example Dihybrid Cross
... Allele-alternate forms of a given gene (brown or blue eyes) Independent assortment- random distribution of unlinked genes into gametes. Linked Genes- genes located on the same chromosome tend to be inherited together. The alleles do not assort independently. Sex linked genes- genes located on a sex ...
... Allele-alternate forms of a given gene (brown or blue eyes) Independent assortment- random distribution of unlinked genes into gametes. Linked Genes- genes located on the same chromosome tend to be inherited together. The alleles do not assort independently. Sex linked genes- genes located on a sex ...
Inheritance Patterns and Human Genetics Review
... 18. Distinguish between germ-cell mutations and somatic mutation. (2 marks) Germ-cell mutations occur in the gametes and affect the zygote. Somatic mutations take place in the body cells and are not passed on to the offspring. 19. Distinguish between multiple allele traits and polygenic traits. (2 m ...
... 18. Distinguish between germ-cell mutations and somatic mutation. (2 marks) Germ-cell mutations occur in the gametes and affect the zygote. Somatic mutations take place in the body cells and are not passed on to the offspring. 19. Distinguish between multiple allele traits and polygenic traits. (2 m ...
Part 1 – Genetics 101
... depend on whether the pathological gene comes from the mother or the father. Ex. : Prader-Willi Syndrome or Angelman Syndrome Prader Willi Syndrome is caused by a microdeletion on the chromosome 15, that is inherited from the father (or more rarely when there are two copies of the gene from the moth ...
... depend on whether the pathological gene comes from the mother or the father. Ex. : Prader-Willi Syndrome or Angelman Syndrome Prader Willi Syndrome is caused by a microdeletion on the chromosome 15, that is inherited from the father (or more rarely when there are two copies of the gene from the moth ...
Chapter 13 Chromosomes
... At the second mitotic division, replicated chromosomes failed to separate, yielding one of ...
... At the second mitotic division, replicated chromosomes failed to separate, yielding one of ...
Bio07_TR__U04_CH11.QXD
... There are two stages in meiosis. During the first stage, the DNA in special cells in the reproductive organs is copied. The cells then divide. Two cells are formed. These cells are different from each other and different from the parent cell. In the second stage of meiosis, the cells divide again. T ...
... There are two stages in meiosis. During the first stage, the DNA in special cells in the reproductive organs is copied. The cells then divide. Two cells are formed. These cells are different from each other and different from the parent cell. In the second stage of meiosis, the cells divide again. T ...
molecular and genetic testing for leukemia
... sufficiently specific to diagnose CML, since it is also found in acute lymphoblastic leukemia (ALL, 25–30% in adult and 2–10% in pediatric cases) and occasionally in acute myelogenous ...
... sufficiently specific to diagnose CML, since it is also found in acute lymphoblastic leukemia (ALL, 25–30% in adult and 2–10% in pediatric cases) and occasionally in acute myelogenous ...
**Study all vocabulary terms!!** 1. Explain why people look like their
... 8. Be able to transcribe and translate a Gene into a protein using base pairing and the codon wheel. 9. Summarize crossing over and why is it important. 10. What are gametes? 11. Explain why gametes have half the regular number of chromosomes? 12. The chromosomes of a diploid cell can be compared to ...
... 8. Be able to transcribe and translate a Gene into a protein using base pairing and the codon wheel. 9. Summarize crossing over and why is it important. 10. What are gametes? 11. Explain why gametes have half the regular number of chromosomes? 12. The chromosomes of a diploid cell can be compared to ...
Complementation
... though most go through a haploid stage in the life cycle. This may be extensive in some (e.g. mosses). Bacteria and viruses are haploid. ...
... though most go through a haploid stage in the life cycle. This may be extensive in some (e.g. mosses). Bacteria and viruses are haploid. ...
File
... 1. Which statement best describes a difference between prokaryotic cells and eukaryotic cells? A. The presence of both DNA and ribosomes in prokaryotic cells indicates that they are more complex than eukaryotic cells.! B. The larger size of prokaryotic cells indicates that they are more complex tha ...
... 1. Which statement best describes a difference between prokaryotic cells and eukaryotic cells? A. The presence of both DNA and ribosomes in prokaryotic cells indicates that they are more complex than eukaryotic cells.! B. The larger size of prokaryotic cells indicates that they are more complex tha ...
Animal Reproduction and Genetics
... around the newly divided chromosomes and cell membrane begins to contract. ...
... around the newly divided chromosomes and cell membrane begins to contract. ...
Topic 10: Genetics (HL)
... 10.2.1 Calculate and predict the genotypic and phenotypic ratio of offspring of dihybrid crosses involving unlinked autosomal genes 10.2.2 Distinguish between autosomes and sex chromosomes 10.2.3 Explain how crossing over between non-sister chromatids of a homologous pair in prophase I can result in ...
... 10.2.1 Calculate and predict the genotypic and phenotypic ratio of offspring of dihybrid crosses involving unlinked autosomal genes 10.2.2 Distinguish between autosomes and sex chromosomes 10.2.3 Explain how crossing over between non-sister chromatids of a homologous pair in prophase I can result in ...
Polyploid Hybrids: Multiple Origins of a Treefrog Species
... H. chrysoscelis (species C) and two hypothetical ancestors, extinct species A and B (Figure 1). Regional populations of H. versicolor possess unique alleles that reveal traces of ‘missing’ progenitors that once occupied the northeastern and northwestern part of the ...
... H. chrysoscelis (species C) and two hypothetical ancestors, extinct species A and B (Figure 1). Regional populations of H. versicolor possess unique alleles that reveal traces of ‘missing’ progenitors that once occupied the northeastern and northwestern part of the ...
Bio07_TR__U04_CH13.QXD
... 20. Circle the letter of each sentence that is true about polyploidy a. Polyploid plants have many sets of chromosomes. b. Polyploidy is usually fatal in animals. c. Polyploidy produces new species of plants that are weaker and smaller than their diploid relatives. d. Bananas and some citrus fruits ...
... 20. Circle the letter of each sentence that is true about polyploidy a. Polyploid plants have many sets of chromosomes. b. Polyploidy is usually fatal in animals. c. Polyploidy produces new species of plants that are weaker and smaller than their diploid relatives. d. Bananas and some citrus fruits ...
Mitosis, Meiosis and Fertilization -- Teacher Preparation Notes
... complete rollosomes) and ends with daughter cells that have chromosomes that do not have replicated DNA (represented by a single roller). • If students have difficulty recognizing which chromosomes are in the different cells at the end of mitosis or meiosis I or II, you may want to provide pieces of ...
... complete rollosomes) and ends with daughter cells that have chromosomes that do not have replicated DNA (represented by a single roller). • If students have difficulty recognizing which chromosomes are in the different cells at the end of mitosis or meiosis I or II, you may want to provide pieces of ...
ANTHR1 - Study Guide for First Exam
... 18. If we mate two people, both of whom are heterozygotes for a recessive trait (such as sickle-cell hemoglobin), what's the likelihood they will have a child who expresses the condition? 19. Give a definition of a gene, in terms of both its STRUCTURE and its FUNCTION. 20. Explain natural selection ...
... 18. If we mate two people, both of whom are heterozygotes for a recessive trait (such as sickle-cell hemoglobin), what's the likelihood they will have a child who expresses the condition? 19. Give a definition of a gene, in terms of both its STRUCTURE and its FUNCTION. 20. Explain natural selection ...
A pedigree is a chart that shows how a trait and the genes that
... • Parents and offspring often share observable traits. ...
... • Parents and offspring often share observable traits. ...
Heredity
... the instruction manuals for our body. They provide directions for building all the proteins that make our bodies function. DNA is found within a gene. Genes are carried in chromosomes. ...
... the instruction manuals for our body. They provide directions for building all the proteins that make our bodies function. DNA is found within a gene. Genes are carried in chromosomes. ...
Presentation
... • inability to repair damage caused by UV light • in extreme cases, all exposure to sunlight must be forbidden, no matter how small • individuals with the disease are often referred to as Children of the Night • suffer from basal cell carcinomas and other skin malignancies (such as malignant melanom ...
... • inability to repair damage caused by UV light • in extreme cases, all exposure to sunlight must be forbidden, no matter how small • individuals with the disease are often referred to as Children of the Night • suffer from basal cell carcinomas and other skin malignancies (such as malignant melanom ...
Ploidy
Ploidy is the number of sets of chromosomes in a cell. Usually a gamete (sperm or egg, which fuse into a single cell during the fertilization phase of sexual reproduction) carries a full set of chromosomes that includes a single copy of each chromosome, as aneuploidy generally leads to severe genetic disease in the offspring. The gametic or haploid number (n) is the number of chromosomes in a gamete. Two gametes form a diploid zygote with twice this number (2n, the zygotic or diploid number) i.e. two copies of autosomal chromosomes. For humans, a diploid species, n = 23. A typical human somatic cell contains 46 chromosomes: 2 complete haploid sets, which make up 23 homologous chromosome pairs.Because chromosome number is generally reduced only by the specialized process of meiosis, the somatic cells of the body inherit and maintain the chromosome number of the zygote. However, in many situations somatic cells double their copy number by means of endoreduplication as an aspect of cellular differentiation. For example, the hearts of two-year-old children contain 85% diploid and 15% tetraploid nuclei, but by 12 years of age the proportions become approximately equal, and adults examined contained 27% diploid, 71% tetraploid and 2% octaploid nuclei.Cells are described according to the number of sets present (the ploidy level): monoploid (1 set), diploid (2 sets), triploid (3 sets), tetraploid (4 sets), pentaploid (5 sets), hexaploid (6 sets), heptaploid or septaploid (7 sets), etc. The generic term polyploid is frequently used to describe cells with three or more sets of chromosomes (triploid or higher ploidy).