'Homologous chromosome pairs' diaporamas de présentation

Genetics

Genetics. The two major groups of specialized cells in your body are _______ and ________. Somatic cells and germ cells. ______ cells, also called body cells, make up most of your body tissues and organs. Somatic cells. DNA is passed on to offspring by ____ ___. Germ cells.

1.39k views • 118 slides

Changes in Chromosome Number

Changes in Chromosome Number. Chapter 3. Central Points. Chromosomes are composed of DNA and proteins Most humans have 46 chromosomes Possible to test fetal chromosome number Extra chromosomes affect fetus Problems with genetic testing can result in lawsuits.

1.37k views • 83 slides

878 views • 73 slides

Honors Final Exam Review

Honors Final Exam Review. 1. Know the correct order of the scientific method. Ask a question Gather information Form hypothesis Perform experiment Observe experiment Record data Report conclusion. 2. What are the two most important theories studied in biology?.

919 views • 67 slides

Ch.11.4 - Meiosis

Ch.11.4 - Meiosis. Formation of Gametes (egg & sperm). Our Chromosomes. 46 Chromosomes ( 23 pairs ) #1-22 Pairs are Autosomes (body cell chromosomes): Determine all traits except gender #23 pair are Sex chromosomes referred to as X & Y male (XY) female (XX). X - Chromosome.

549 views • 49 slides

Meiosis

Meiosis . Sexual Division of Cells. Gamete vs. Zygote. What is a Gamete? Egg & Sperm . What is a Zygote? When two gametes come together (fertilization). Why your body can not use mitosis to make sperm or eggs?.

565 views • 44 slides

Chromosomes and Meiosis

Chromosomes and Meiosis. Two major types of cells. You have many types of specialized cells in your body, but they can be divided into two major groups: somatic cells germ cells. Somatic Cells. Somatic cells, also called body cells , make up most of your body tissues and organs.

495 views • 38 slides

Meiosis: Formation of gametes

1.03k views • 37 slides

The Chromosomal Basis of Inheritance

The Chromosomal Basis of Inheritance. Chapter 15. Review. Mitosis Meiosis Chromosome Genotype and Phenotype Mendelian Genetics. Thomas Hunt Morgan. Studied Drosophila melanogaster Large number of offspring Small, easy to care for 4 chromosomes with easily observable phenotypes.

379 views • 26 slides

Chromosomes vs. Chromatin

Chromosomes vs. Chromatin. Chromosomes Tightly packaged DNA Found only during cell division DNA is not being used for macromolecule synthesis. Chromatin Unwound DNA Found throughout Interphase DNA is being used for macromolecule synthesis. Gene Representations. Gene Representations.

1.55k views • 25 slides

Meiosis

330 views • 21 slides

Meiosis

Meiosis Overview of meiosis Homologous chromosomes Stages of meiosis Spermatogenesis & oogenesis A. Overview of Meiosis Meiosis: Specialized nuclear division in which the number of chromosomes is reduced by half Purpose of meiosis: the formation of gametes Occurs only in germ-line tissue

765 views • 19 slides

Meiosis Review Answers

Meiosis Review Answers. MINITEST tomorrow. Question # 1. Match the following. F Individual chromosomes line up at the equator A Homologous chromosomes pair up; crossing-over occurs G Centromere splits; sister chromatids move to opposite poles

232 views • 16 slides

MEIOSIS

MEIOSIS. GAMETE PRODUCTION IN SEXUAL REPRODUCTION. What are chromosomes?. Human cell = >6 billion nucleotide base pairs (~2 meters) Wrapped around protein = chromatin DNA/protein = chromosome . How many chromosomes do humans have?. Strait hair allele. Curly hair allele.

383 views • 16 slides

Block Day- April 18, 2012

Block Day- April 18, 2012. Homework : None Make an entry : Entry 37: Mitosis vs. Meiosis -4/18/12 Complete the chart. Mitosis vs. Meiosis. Mitosis Meiosis Mitosis Mitosis Meiosis Meiosis. Meiosis Meiosis Mitosis Meiosis Meiosis Mitosis Both. Make an entry.

312 views • 15 slides

Meiosis: 10 th Grade

Meiosis: 10 th Grade. Resources. Are all on the Blog!. Homework for Monday. Create a document which outlines the process of meiosis AND explains one disease that is caused by an error during meiosis Your document must be accurate, must demonstrate knowledge, and must be creative

336 views • 14 slides

Chapter 11 Sexual Reproduction and Meiosis

584 views • 10 slides

Theodor boveri 1896 and walter sutton 1902

Theodor boveri 1896 and walter sutton 1902. Theodor Boveri. Performed cross-breeding experiments on sea urchins producing hybrids.

1.57k views • 8 slides

IAN PAGE 89 ALLELES

IAN PAGE 89 ALLELES. Objective: Identify some of the basic components of Heredity using notes, collaboration and worksheets. MAIN IDEAS Somatic Cells Gametes Homologous Karyotype Alleles. I. Cells contain Pairs of Chromosomes A. WHY PAIRS? (2 Parents!)

179 views • 7 slides