Name:___________________________ Agenda Week of 12 Jan – 16 Jan 2009 Class website: www.marric.us/teaching Unit 4 Genetics-Heredity Exam 2/1213/09 Monday 1/12/09 - Genetics Vocabulary - Ch 10 Read along Section 1 - Unit 4 OVERVIEW and VOCABULARY HW: Overview vocabulary 1-20 due 1/21 Tuesday 1/13/09 (LEAP cancelled) Environmental Academy SLEWS Field Trip - Substitute - Unit 4 Quiz 1 - Genes; Chapter 10 Read along Section 2 HW: Chapter 10 SciNotebook due 1/21 Wednesday 1/14/09 –Late Start - Genetics Practice Problem #1 HW: Sci Notebook/vocab due 1/21 Thursday 1/15/09 – Block Day Ch 10 Powerpoint Genetics Practice Problems #2 Smiley Genetics/DNA Extraction HW: Overview vocabulary 1-20 due 1/21 Chapter 10 SciNotebook due 1/21 Genetics Practice Problems #3 Study for Unit4 Quiz 2 Friday 1/16/09 – Block Day Ch 10 Powerpoint Genetics Practice Problems #2 Smiley Genetics/DNA Extraction HW: Overview vocabulary 1-20 due 1/21 Chapter 10 SciNotebook due 1/21 Genetics Practice Problems #3 Study for Unit4 Quiz 2 Parents/Guardian – Date: ____________Period:_____ Unit 4 Quiz 2 Jan 22 1/2The numbers in the figure represent the chromosome number found in each of the dog cells shown. The processes that are occurring at A and B are: 3. Each egg and sperm cell contains a haploid number of chromosomes. After fertilization, a zygote is formed having a ___________ number of chromosomes. 4. To describe how traits can disappear and reappear in a certain pattern from generation to generation, Mendel proposed the 5. One of the plants that the scientist is studying has an extra copy of one chromosome in all its cells. This variation most likely occurred during 6. Crossing-over most commonly results in . 7. Having two similar, dominant alleles for a trait is called 8. An organism in which two alleles for a trait are different is 9. A true-breeding tall pea plant is crossed with a truebreeding short pea plant, and all the offspring are tall. What is the most likely genotype of the offspring assuming a single-gene trait? 10. A Punnett square problem from HW/Inclass work Vocabulary words: Autosomal Birth defect Recessive Fertilization Heterozygous Phenotype Genotype Dominant Dihybrid Homozygous I have reviewed my child’s activities and homework for the week of 1/12/09 – 1/16/09. I understand that is important for me to make sure that my child is studying to be prepared for the Quiz on 1/20/09 and has completed all assignments this week. Parent/Guardian Printed Name Signature Date Bell Ringers: Week of 12 Jan – 16 Jan 2009 Monday – Explain the difference between mitosis and meiosis. Tuesday Which diagram correctly illustrates the fusion of normal gametes that will most likely produce a human male? Explain what the x and y represent and how they were formed. Wednesday – Which event during meiosis leads to a reduction in chromosome number from 2n to n? a. Pairs of homologous chromosomes line up at the equator. b. DNA undergoes replication. c. Homologous chromosomes travel to opposite sides of the cell. d. Sister chromatids are pulled apart at the centromere. Explain what 2n and n mean. Thursday/Friday During which phase of meiosis do homologous pairs of chromosomes line up next to one another along the equator? a. anaphase I b. metaphase I c. prophase II d. metaphase II During which phase of meiosis do sister chromatids line up next to one another along the equator? a. anaphase I b. metaphase I c. prophase II d. metaphase II Which stage of meiosis is responsible for the law of independent assortment? a. metaphase I b. prophase I c. telophase I d. metaphase II Explain the difference between homologous pairs of chromosomes and sister chromatids. http://www.brooklyn.cuny.edu/bc/ahp/AVC/Genetics/VCB_Genet_HP.html Name:_______________________________ Date:____________________ Period:______ Unit 4 Quiz 2 Jan 20 (20 points) 1/2The numbers in the figure represent the chromosome number found in each of the dog cells shown. The processes that are occurring at A and B are: A_____________________________________ B_____________________________________ 3. To describe how traits can disappear and reappear in a certain pattern from generation to generation, Mendel proposed the___________________________________________ 4. An organism in which two alleles for a trait are different is 5. One of the plants that the scientist is studying has an extra copy of one chromosome in all its cells. This variation most likely occurred during 6. Crossing-over most commonly results in . 7. Having two similar, dominant alleles for a trait is called 8. Each egg and sperm cell contains a haploid number of chromosomes. After fertilization, a zygote is formed having a ___________ number of chromosomes. 9. A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the offspring are tall. What is the most likely genotype of the offspring assuming a single-gene trait? 10. A heterozygous round seeded plant (Rr) is crossed with a homozygous round seeded plant (RR). What percentage of the offspring will be homozygous (RR)? Show all work Extra Credit Vocabulary words Matching (11 – 21): ___________________ A. having to do with a body chromosome – not a sex chromosome ___________________ B. organisms that have identical alleles for a particular trait ___________________ C. physical appearance of an organism ___________________ D. A male and female gamete fuses ___________________ E. identically heterozygous at two loci for example: RrYy ___________________ F. organisms that have different alleles for a particular trait ___________________ G. an inherited anomaly that affects the functioning of an offspring ___________________ H. a trait that requires both alleles to be observed ___________________ I. a trait that is observed even if only one allele is present ___________________ A. genetic makeup of an organism ___________________ Reproduction that requires two parents Heterozygous Dominant Sexual Reproduction Phenotype Dihybrid Autosomal Recessive Fertilization Birth defect Homozygous Genotype