1. Chromosomes (3.2) IB Diploma Biology Essential Idea: The genetic material of organisms is packaged into units called chromosomes 2. 3.2.1 Prokaryotes have one chromosome…

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Reduction-Division Genetic Recombination * The form of cell division by which GAMETES, with HALF the number of CHROMOSOMES, are produced. DIPLOID (2n)  HAPLOID (n) Meiosis…

Slide 1 Meiosis Formation of Sex Cells to Transfer Genetic Information to the Next Generation Slide 2 Mitosis and Meiosis in the Human Life Cycle Nuclear division reducing…

Slide 1 Chromosomal Basis of Inheritance Slide 2 Thomas Hunt Morgan Performed Experiments and provided convincing evidence for chromosomes. Studied Drosophila ▫Easy to…

Slide 1 Slide 2 Chromosomal Theory Chromosomes carry genes – units of heredity Homologous chromosomes segregate during meiosis Gametes carry half the number of chromosomes…

Slide 1 Warm-up #7 1/23/15 Draw a chromosome and label the following parts: chromosome, sister chromatid, centromere How many chromosomes do humans have? Slide 2 Human Chromosomes…

Slide 1 Objective 7: TSWBAT explain how a lethal recessive allele can be retained in the population and why lethal dominant genes are much more rare. Slide 2 Lethal recessive…

Slide 1THE CELL CYCLE Slide 2 Why do cells divide? Stimuli to start a cell division: – To replace dead or dying cells, –To produce more cells to enlarge the organism…

Slide 1 Livestock Breeding and Genetics Sperm and Egg Production Slide 2 We are beyond the mid-point of the semester. What’s ahead: -Livestock Breeding and Genetics -Animal…