Ch.7 notes Meiosis Meiosis= A branch in cadre disagreement during which the number of chromosomes decreases to one- half the original number by both divisions of the pith, which results in the production of sex cells Prophase I= Chromosomes force visible, nucleus envelope breaks down, crossing over occurs. Metaphase I=pairs of homologues chromosomes Anaphase I= homologues chromosomes moves to setback poles of the cell Telophase I / Cytokinesis=chromosomes gather at the poles, cytol divides. Prophase II= a new spindle forms around the chromosome Metaphase II= Chromosomes rivalry up at the equator Anaphase II= Centromeres divide, chromatids move to opposite poles of the cell. Telephase II / Cytokinesis= nuclear envelope forms around to each one set of chromosomes, cytoplasm divides. The daughter cells from meiosis the daughter cells can be antithetical and in mitosis, the cells are exact copy. Random Fertilization= from each one gamete has a unique set of c ombination of genes. A masculine gamete can fertilize any of the young-bearing(prenominal) gametes. The fertilization amidst a male gamete and a female gamete occurs randomly in the Fallopian tube.
As a result, each zygote is unique and therefore variability occurs due to the different combination of genes from the male and female gamete spermatozoonatogenesis=process which sperm are produced in male animals Sperm= 4 cells change in form and develop a piece of tail to become male gametes called sperm. Oogenesis= process which ga! metes are produced in female animals Ovum=egg, which comes from the uneven cell split in meiosis II A Sexual Reproduction= single advance passes copies of all of its genes to each of its offspring, some plants, hammerhead shark and the somber tip shark are examples Sexual Reproduction= carmine parents each form reproductive cells that have one half the number of chromosomes. Humans, some plants and mostly everything else are examples Clone=individual...If you unavoidableness to land a full essay, order it on our website: OrderCustomPaper.com
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