formation‚ Fragmentation/Regeneration‚ Vegetative propagation 3. What are two types of sexual reproduction? (2pts) Meiosis‚ Conjugation 4. What types of cells are produced through mitosis? Meiosis? (2pts) Body Cells 5. How many divisions are there in mitosis? Meiosis? (2pts) one 6. Cells produced through mitosis are genetically identical daughter cells‚ whereas cells produced through meiosis are genetically four genetically different gamete cells. (2pts) 7. Describe the process of binary fission.
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It is important that cells go through mitosis because it makes each new cell contain the same gentic information. If meiosis did not occur the reproduction would cease to exist. Mitosis is the process of chromosomes dividing. There are four steps that it goes through. Between cell division the cells are in interphase. During this there is cell growth and the genetic material such as DNA is contained in the chromosomes‚ duplicated so that when the cell divides each new cell has a full version of
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[1] The term is sometimes used inaccurately to describe reproduction modes in hermaphroditic species that can reproduce by themselves because they contain reproductive organs of both sexes in a single individual’s body. Normal egg cells form after meiosis and are haploid‚ with half as many chromosomes as their mother’s body cells. Haploid individuals‚ however‚ are usually non-viable‚ and parthenogenetic offspring usually have the diploid chromosome number. Depending on the mechanism involved in restoring
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female gametes. Meiosis is the process where a diploid cell is divided into four daughter cells and is the process that helps with genetic diversity. There is meiosis 1 which is where no chromatids are copied and only one copy is given to each daughter cell and then meiosis 2 the chromatids separate and given to each gamete. During meiosis chromatids may cross over resulting in the recombination of segments causing genetic diversity of genes because they intermix from each parent. Meiosis helps ensure
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Meiosis is the type of nuclear division that occurs to form four genetically different gametes. This produces genetically different offspring which all differ in traits‚ the reason this occurs is because of the way that the chromosomes are handled to make gametes. The general gist of meiosis is that a homologous pair is split twice to make four separate cells that have the haploid number of chromosomes meaning when they fuse with other gametes they form a zygote with the diploid number of chromosomes
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Factors Alternatively your genetic make-up also plays a part in your appearance as it affects your height‚ natural eye and hair colour‚ Skin colour‚ gender etc. and this is due to the variety of genes that you end up with from your parents during meiosis. First you need to know that genes are sections of DNA (DNA holds the genetic information) and are found on the surface of chromosomes and they contain instructions to make proteins. The base sequence of the gene determines the Amino acid sequence
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WHAT IS A CELL? It is the smallest unit of life that is classified as a living thing‚ and is often called the building block of life. The cell is the basic structural and functional unit of all known living organisms. Some organisms are unicellular (made of only one cell) while others are multicellular (made up of several cells). The word cell comes from the Latin cellula‚ meaning‚ a small room. The term was coined by Robert Hooke in a book he published in 1665 when he compared the cork cells he
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Name: ______________________________________________________ Period:_____ Chapter Review: 10 Mendel & Meiosis College Biology 1. An organism that is true breeding for a trait is said to be (a) homozygous (b) heterozygous (c) a monohybrid (d) a dihybrid 2. At the end of meiosis‚ how many haploid cells have been formed from the original cell? (a) one (b) two (c) three (d) four 3. When Mendel transferred pollen from one pea plant to another‚ he was ___ the plants. (a) self pollinating
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In humans‚ meiosis occurs during C) the development of sperm 4. Homologous chromosomes move to opposite poles of a dividing cell during B) Meiosis I 8.4.1 Independent Assortment 1. During anaphase I of meiosis A) Homologous chromosomes separate and migrate to opposite poles 2. Which statement regarding independent assortment is true? C) independent
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Normal humans have twenty-three homologous pairs. A female’s egg contains only one representative from each of the 23 chromosome pairs and the male’s sperm contains the other half of the 23 chromosome pairs. Eggs and sperm are formed following meiosis to create the total count of 46 chromosomes in a cell of a normal offspring. A normal human normally has a situation of genetic balance. Each gene is working properly and contributing ideally towards that person’s development. However‚ if a chromosome
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