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Haploid & Diploid Cells
Transcript of Haploid & Diploid Cells
created by mitosis Any cells that contain one set of chromosomes (denoted with "n")
created through meiosis Life Cycles HAPLOID: GOALS: -What are haploid & diploid cells?
-What is the difference between haploid and diploid cells?
-Compare/Contrast mitosis & meiosis
-What are some real-life examples of both haploid and diploid cells?
-What vocabulary is important to understanding haploid & diploid cells? Works Cited http://www.diffen.com/difference/Meiosis_vs_Mitosis
http://www.diffen.com/difference/Diploid_vs_Haploid Vocabulary Diploid: A cell containing two sets of chromosomes (2n).
Fertilization: The joining of gametes (sex cells) during reproduction.
Gametes: An organism's reproductive cells, such as sperm and egg cells.
Haploid: A cell containing one set of chromosomes (n).
Life cycle: the span in the life of an organism from one generation to the next.
Meiosis: A type of cell division that halves the number of chromosomes.
Mitosis: A type of cell division that creates 2 new daughter cells, each with an equal number of chromosomes. What are They? Diploids Haploids Pictures In a cell, the number of complete chromosomal sets is called a ploidy. Haploids and Diploids are two types of cells in the body. Haploid cells have half the number of chromosomes (n) as a diploid, with only one complete set of chromosomes.
Diploid cells, however, contain 2
complete sets of chromosomes. REAL-LIFE EXAMPLES: Diploid
Cells: Blood Cells Muscle Cells Skin Cells Haploid Cells: Sperm Cell Ova Cell Haploid cells merge at
fertilization. MEIOSIS MITOSIS Half the number of chromosomes
Produces haploid cells
crossing over can occur
4 Haploid daughter cells produced
Creates sex cells
Steps: Interphase, Prophase I, Metaphase I, Anaphase I, Telophase I, Prophase II, Metaphase II, Anaphase II and Telophase II.
genetically different cells Equal number of chromosomes
Produces Diploid cells
Cellular reproduction w/ the division of the nucleus for growth and repair in body.
crossing over cannot occur
2 Diploid daughter cells produced
creates all other cells
Steps: Interphase, Prophase, Metaphase, Anaphase, Telophase and Cytokinesis
genetically identical cells MEIOSIS MITOSIS DIPLOID: The simplest life cycle
Protists, fungi, and algae go through this and spend the majority of their life cycle as a haploid cell
the zygote (the only diploid cell) goes through meiosis to produce 4 haploid cells, which grow into multicellular organisms
These organisms produce gametes (reproductive cells) through mitosis
The gametes fuse to create diploid zygotes, which go through meiosis and continue the cycle Organisms that go through this cycle spend the majority of their lives as diploid adults
Diploid adults inherit half of their DNA from each parent
Diploid reproductive cells undergo meiosis and produce haploid gametes
the gametes then fuse through fertilization and produce a diploid zygote
the diploid zygote enter G1 of the cell cycle
the zygote's DNA is replicated
mitosis and cytokinesis produce two genetically identical diploid cells both go through cytokinesis
both have spindle fibers that seperate sister chromatids from eachother at the centromere
both are processes of reproduction
DNA is replicated
centrioles move to the poles
nucleus and nucleolus break down
chromosomes line up in the middle of the cell