Simple Mendelian Inheritance of Human Trait
... X-Linked Inheritance • X-linked gene is found only on the X chromosome • Examples: Colorblindness Hemophilia ...
... X-Linked Inheritance • X-linked gene is found only on the X chromosome • Examples: Colorblindness Hemophilia ...
Beyond Dominant & Recessive Alleles
... • Cystic Fibrosis- Protein does not fold properly. Causes a build up of mucus in the lungs ...
... • Cystic Fibrosis- Protein does not fold properly. Causes a build up of mucus in the lungs ...
Study Guide
... Use sketches to illustrate how crossing over contributes to genetic diversity. Use Figure 6.20 for reference. 1. Draw a cell with four chromosomes in the first box. Make one pair of chromosomes large and the other pair small. Color in one large chromosome and one small chromosome. Leave the other tw ...
... Use sketches to illustrate how crossing over contributes to genetic diversity. Use Figure 6.20 for reference. 1. Draw a cell with four chromosomes in the first box. Make one pair of chromosomes large and the other pair small. Color in one large chromosome and one small chromosome. Leave the other tw ...
Lecture #6 Date ________ Chapter 15~ The Chromosomal
... Chromosomal errors, II Alterations of chromosomal structure: Deletion: removal of a chromosomal segment Duplication: repeats a chromosomal segment Inversion: segment reversal in a chromosome Translocation: movement of a chromosomal segment to another ...
... Chromosomal errors, II Alterations of chromosomal structure: Deletion: removal of a chromosomal segment Duplication: repeats a chromosomal segment Inversion: segment reversal in a chromosome Translocation: movement of a chromosomal segment to another ...
Lecture #6 Date - Ms. Pass's Biology Web Page
... Chromosomal errors, II Alterations of chromosomal structure: Deletion: removal of a chromosomal segment Duplication: repeats a chromosomal segment Inversion: segment reversal in a chromosome Translocation: movement of a chromosomal segment to another ...
... Chromosomal errors, II Alterations of chromosomal structure: Deletion: removal of a chromosomal segment Duplication: repeats a chromosomal segment Inversion: segment reversal in a chromosome Translocation: movement of a chromosomal segment to another ...
Mutations
... D. Regulation and Development- especially important in shaping the way a complex organism develops from single fertilized cell. 1. Hox genes- controls organs and tissues that develop in various parts of the embryo a. Mutation in one of these “master control genes” can completely change organs that ...
... D. Regulation and Development- especially important in shaping the way a complex organism develops from single fertilized cell. 1. Hox genes- controls organs and tissues that develop in various parts of the embryo a. Mutation in one of these “master control genes” can completely change organs that ...
HEREDITY
... ¢ Genes for one trait (like hair color) have NO effect on genes of another trait (like eye color) ...
... ¢ Genes for one trait (like hair color) have NO effect on genes of another trait (like eye color) ...
Chapter Notes
... - are found on chromosomes. - small segments of DNA located at specific places on a chromosome. - store information needed to produce proteins used by body cells. - Think of the chromosome as a train then the genes would be the cars that make up the train. Genes can vary in length from hundreds to t ...
... - are found on chromosomes. - small segments of DNA located at specific places on a chromosome. - store information needed to produce proteins used by body cells. - Think of the chromosome as a train then the genes would be the cars that make up the train. Genes can vary in length from hundreds to t ...
Inheritence of Genes - New Century Academy
... 1. Genetic software that codes for specific proteins ...
... 1. Genetic software that codes for specific proteins ...
powerpoint human disorders - Social Circle City Schools
... nervous system. 1/10,000 people in U.S between ages 30-50 yrs old. *Gradual loss of brain functions ...
... nervous system. 1/10,000 people in U.S between ages 30-50 yrs old. *Gradual loss of brain functions ...
General Biology I / Biology 106 Self Quiz Ch 13
... D) In humans, the 23rd pair, the sex chromosomes, determines whether the person is female (XX) or male (XY). 7) What is a karyotype? 7) ______ A) A system of classifying cell nuclei B) A display of every pair of homologous chromosomes within a cell, organized according to size and shape C) The set o ...
... D) In humans, the 23rd pair, the sex chromosomes, determines whether the person is female (XX) or male (XY). 7) What is a karyotype? 7) ______ A) A system of classifying cell nuclei B) A display of every pair of homologous chromosomes within a cell, organized according to size and shape C) The set o ...
Unit 5 review
... c. _____________________________________ 2. The longest phase of the cell cycle is _____________________. 3. In G1, they cell __________________. 4. The DNA is copied during ___________________. 5. The last stage of interphase is _______. 6. The goal of mitosis is to get cells that are genetically _ ...
... c. _____________________________________ 2. The longest phase of the cell cycle is _____________________. 3. In G1, they cell __________________. 4. The DNA is copied during ___________________. 5. The last stage of interphase is _______. 6. The goal of mitosis is to get cells that are genetically _ ...
Chromosome mutations
... • none in heterozygotes if translocation chromosomes segregate together (“balanced” translocation); if translocation chromosomes are separated, genetically imbalanced gametes result with deletions or duplications; zygotes produced by these gametes are not viable semisterility ...
... • none in heterozygotes if translocation chromosomes segregate together (“balanced” translocation); if translocation chromosomes are separated, genetically imbalanced gametes result with deletions or duplications; zygotes produced by these gametes are not viable semisterility ...
Slide 1
... Archibald Garrod, observes that the disease alkaptonuria has a genetic cause and is inherited as a recessive condition. ...
... Archibald Garrod, observes that the disease alkaptonuria has a genetic cause and is inherited as a recessive condition. ...
Section 7.2 – Meiosis Understanding Concepts #1
... 5. Meiosis reduces the chromosome number in sex cells. Once 2 sex cells combine the full set of chromosomes is reinstated. If meiosis did not occur, the combination of sex cells would produce a zygote with double the chromosome number. In each succeeding generation, chromosome number would be double ...
... 5. Meiosis reduces the chromosome number in sex cells. Once 2 sex cells combine the full set of chromosomes is reinstated. If meiosis did not occur, the combination of sex cells would produce a zygote with double the chromosome number. In each succeeding generation, chromosome number would be double ...
Meiosis and Variation Guided Notes
... We need to produce cells with ½ the amount of chromosomes (23). We do that through Meiosis! ...
... We need to produce cells with ½ the amount of chromosomes (23). We do that through Meiosis! ...
Slide 1
... Some genes on a chromosome are so far apart that a crossover between them is virtually certain. In this case, the frequency of recombination reaches is its maximum value of 50% ...
... Some genes on a chromosome are so far apart that a crossover between them is virtually certain. In this case, the frequency of recombination reaches is its maximum value of 50% ...
Document
... • Morgan proposed that some mechanism occasionally exchanged segments between homologous chromosomes. – This switched alleles between homologous chromosomes. • The actual mechanism, crossing over during prophase I, results in the production of more types of gametes than one would predict by Mendeli ...
... • Morgan proposed that some mechanism occasionally exchanged segments between homologous chromosomes. – This switched alleles between homologous chromosomes. • The actual mechanism, crossing over during prophase I, results in the production of more types of gametes than one would predict by Mendeli ...
Phases of Mitosis
... – 2 parents needed. – Offspring are similar to, but not identical to the parents. – Genetic variations contribute to evolution of species. ...
... – 2 parents needed. – Offspring are similar to, but not identical to the parents. – Genetic variations contribute to evolution of species. ...
Implications of Biology
... • Is the Y Chromosome Shrinking? – Research indicates that denied the benefits of recombining with the X, the Y recombines with itself: “The Y chromosome has been shedding genes furiously over the course of evolutionary time, and it is now a fraction of the size of its partner, the X chromosome. . . ...
... • Is the Y Chromosome Shrinking? – Research indicates that denied the benefits of recombining with the X, the Y recombines with itself: “The Y chromosome has been shedding genes furiously over the course of evolutionary time, and it is now a fraction of the size of its partner, the X chromosome. . . ...
Chapter 4 Cell Division - Heritage Christian School
... 2. Metaphase I. Homologous chromosomes attach to spindle fibres and line up along equatorial plate. 3. Anaphase I. Homologous chromosomes move toward opposite poles (segregation) 4. Telophase I. Nuclear membrane reappears. 5. Cytokinesis ...
... 2. Metaphase I. Homologous chromosomes attach to spindle fibres and line up along equatorial plate. 3. Anaphase I. Homologous chromosomes move toward opposite poles (segregation) 4. Telophase I. Nuclear membrane reappears. 5. Cytokinesis ...
Chromosomes Notes
... DNA wraps around histone proteins to maintain a compact structure. (Each cell has about 3m of DNA) Nonhistone proteins serve as scaffolding for DNA. ________________________________________________________________________________________________________________________________________________ ...
... DNA wraps around histone proteins to maintain a compact structure. (Each cell has about 3m of DNA) Nonhistone proteins serve as scaffolding for DNA. ________________________________________________________________________________________________________________________________________________ ...
19,20INHERITANCEnoaudio
... DIVISION SEXUAL REPRODUCTION- UNION OF GAMETES (SPERM AND EGG) GAMETES HAVE ONLY ONE COPY OF EACH TYPE OF CHROMOSOME ZYGOTE GETS TWO COPIES (VERSIONS) OF EACH CHROM. ...
... DIVISION SEXUAL REPRODUCTION- UNION OF GAMETES (SPERM AND EGG) GAMETES HAVE ONLY ONE COPY OF EACH TYPE OF CHROMOSOME ZYGOTE GETS TWO COPIES (VERSIONS) OF EACH CHROM. ...