'Meiosis ii' presentation slideshows

Figure 12.0 Mitosis

Figure 12.0 Mitosis. Figure 12.1a The functions of cell division: Reproduction. Figure 12.1b The functions of cell division: Growth and development. Figure 12.1c The functions of cell division: Tissue renewal. Figure 12.2 Eukaryotic chomosomes.

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Female Stuff!

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Meiosis Formation of Gametes

Meiosis Formation of Gametes. Facts About Meiosis. Daughter cells contain half the number of chromosomes as the original cell (haploid or 1n ). Produces gametes Egg and sperm Occurs in the testes in males spermatogenesis Occurs in the ovaries in females Oogenesis.

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Meiosis to Mendel

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Meiosis & Reproduction

Meiosis & Reproduction. Chapter 7. objectives. Recognize that during meiosis, the formation of sex cells, chromosomes are reduced to half the number present in the parent cell Explain how fertilization restores the diploid number of chromosomes

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Genetics

Genetics. Gregor Mendel. Genetic Concepts. Phenotype Physical characteristics of organism Result of gene expression Biochemical properties of proteins determine physical characteristics of organism Genotype Set of alleles present in genome of organism Alleles are versions of genes.

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MEIOSIS makes gametes

MEIOSIS makes gametes. Meiosis produces gametes. Meiosis was first observed by the Belgian cytologist Pierre-Joseph van Beneden in 1887 60 years before we knew that DNA contained the genetic material Gametes (eggs and sperm) contain half the complement of chromosomes found in other cells

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Cell Division

Cell Division. Meiosis. Relationship Between Meiosis and Genetics. Meiosis results in egg (females) and sperm (males) cells. When egg and sperm combine a new human is formed. The egg carries the genes from mom and the sperm carries the genes from dad

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meiosis

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Meiosis

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Meiosis & Sexual Reproduction

Meiosis & Sexual Reproduction. Sexual Reproduction. Involves: Meiosis Gamete production Fertilization Produces genetic variation among offspring. Sexual Reproduction Shuffles Alleles. offspring inherit new combinations of alleles, leading to variations in traits

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Cell division

Cell division . Biology 106. Outline. - Types of cell division - Mitosis Phases of mitosis Diagram shows how mitosis works - Meiosis Phases of meiosis Diagram shows how meiosis works. Mitosis. - This type of cell division allows multicellular organism to grow and repair damage tissue.

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Cell Division in Gamete Cells

Meiosis. Cell Division in Gamete Cells. Variation. If the cell cycle produces only exact copies, then how is their variation (variety, differences) among living things? Why is it that you look different from your parents and different from the other students in the room?

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Meiosis and Sexual Lifecycles

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Differences

Differences. Plant: Plant cell mitosis is similar to animal cell mitosis, but there are differences. Plant cells form spindle fibers during mitosis but do not have centrioles . A structure called a cell plate forms between the two new nuclei.

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Meiosis

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Gametogenesis Fertilization

2B: creating sperm and egg 2D: fertilization creates new genetic combinations 2E: each parent contributes half of their DNA 2F: sex chromosomes determine sex. Gametogenesis Fertilization. Objectives:. I will be able to differentiate between gametogenesis and fertilization

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11.4 Meiosis

11.4 Meiosis. Vocabulary: Homologous, diploid, haploid, meiosis, tetrad, crossing-over Key Concepts: What happens during the process of meiosis? How is meiosis different from mitosis?. Section 11-4. ASEXUAL. SEXUAL. 1. One Parent. 1. 2 parents. Types of Reproduction.

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Meiosis

Meiosis. Gamete Formation. Major Events in Meiosis. Vocabulary. Gametes = sex cells (eggs, sperm) Homologous chromosomes = paired chromosomes (maternal and paternal) that have the same genes

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