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    Miracles of Life

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    THE MARVELOUS REALITY The video‚ “Miracles of Life”‚ explains in detail how a human is born from the start. All organisms contain genes‚ DNA‚ and cells and are able to reproduce. In order for a baby to be born‚ a male gamete meets with the female gamete and this is called fertilization. This is the first step leading to the birth of a baby. The video is prepared not only to show the wonders of prenatal development but also to prove the marvels of life itself. Remarkably beautiful‚ the “Miracles

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    Fertilization in humans

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    Fertilization in Humans Fertilization begins with the fusion of two haploid cells into a diploid cell‚ the two haploid cells being a sperm cell and an egg cell into the diploid cell being zygote. The union can either be an external fertilization or an internal fertilization. This essay will focus on the internal fertilization found in mammals‚ and more specific‚ in humans. The first part will consider human anatomy of both the female and male sexual reproductive systems‚ and then follows a

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    science‚ over 4 million babies have been born through IVF procedures and up to 300‚000 babies are ‘created’ every year‚ (ESHRE) Natural fertilization occurs‚ when the female gamete (i.e. the ovum) descends from the ovary‚ travels through the fallopian tube and is then met by a male gamete (i.e. spermatozoa). These two gametes then fuse together (fertilization) to form a zygote. The zygote then divides rapidly and goes through numerous changes. It is now known as a blastocyst. By the fourth/fifth day

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    Reproduction Male sperm fuses with female egg. If tdf (a gene) is present‚ then the embryo develops testes and produces testosterone. Female Reproductive system • Female baby develops if tdf is not present. • Tdf – a gene located on Y chromosome; if girl‚ then two X chromosomes‚ hence no Tdf. • Female hormones: progesterone and estrogen ( both secreted by mother’s ovaries and placenta which allow female genetilia to develop. Parts of the female reproductive system:

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    SBI 3U1 – 07: Biology Examination Definitions Unit 1: Diversity of Living Things ➢ Species: a group of organisms that can interbreed in nature and produce fertile offspring. ➢ Morphology: the branch of biology that deals with the structure or form of organisms. ➢ Phylogeny: the evolutionary history of a species. ➢ Taxonomy: the branch of biology that identifies‚ names‚ and classifies species based on natural features. ➢ Binomial nomenclature: the system of giving a two-word Latin name to

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    Egg Cell

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    EXPLORING THE EGG CELL By: Christina Vu SNC2D3 Mr.Ram FUNCTION OF THE EGG CELL: The egg cell is the female gamete used for sexual reproduction. The egg cell is responsible for providing half of the genetic material required for reproduction. When the egg cell joins with the sperm cell.... The egg cell is large and bulky structure which allows the sperm cell to get in easily. WHAT ORGANELLES DOES AN EGG CELL HAVE AND THEIR FUNCTION? Mitochondria: Produces energy for the cell by a process

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    Zygote

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    nothing. The zygote is a single cell formed at conception. The zygote contains the unique set of genetic instructions inherited from your biological parents. A zygote is a fertilized egg cell. Zygote comes from the bonding of a female gamete which is egg and a male gamete‚ sperm. The zygote is the first stage of development in genetic components of an organism. The zygote contains all the essential factors for the development. The zygote has genes from both parents. Zygotes begin as two haploid cells

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    Year 9science Notes

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    is Sexual Reproduction? Sexual reproduction occurs when offspring result from the fusion of a male reproductive cell and a female reproductive cell. These special reproductive cells are called gametes and they are produced in the reproductive organs of the organism. External Fertilisation * Gametes are tiny and are dehydrated extremely easily‚ so they only survive in specific conditions. * Some animals‚ specifically those that live in the water‚ like fish and amphibians perform external

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    study guide

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    most common reasons for abortion? The least common reasons for abortion? Main reason is selfishness‚ money or not ready‚ (to inconvenient The least common reason is health problems or rape Key terms Gamete – reproductive cell - sperm Zygote – formed by the union of male and female gametes (fertilization) Embryo – the unborn from fertilization up to 3 months Fetus – 3 months to birth Key legal cases‚ people‚ and dates The impact of the “right to privacy” decisions of the Supreme Court

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    matlab tut

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    he beginning of human life is the heart of the abortion debate. Why we never see pro-choice advocates‚ such like Planned Parenthood or NARAL‚ explaining where they believe life begins? Their most usual tactics is to shift the debate from whether abortion takes a human life to how "comprehensive sex education" and contraception can lower abortion rates. We are not debating the merits of different strategies to lower abortion rates‚ we are debating whether or not abortion takes human life‚ and one

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