Matthew Lee Bio 10 - Study Guide 2 CELLULAR DIVISION * What is a chromosome‚ chromatid‚ chromatin?chromosome is a thread like structure of nucleic acids holding information. Chromatin super coil material part of strand. Chromatid is one strand of the chromatin. * How do they change after S phase? Makes 2 chromatids * What are the stages of interphase? What happens in each stage?G1-cell growth‚S phase-Synthesis‚G2 prepare for division * What are the stages of mitosis? What happens
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other ways. Color blindness can also happen if physical or chemical damage is done to the eye‚ the optic nerve‚ or parts of the brain. The gene that produces photopigment is on the X chromosome. The X chromosome is sex-linked which is why color blindness usually is more dominant in males. Males have only one X chromosome. If this gene is
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a deletion in the paternal chromosome 15 or by maternal (relating to the mother) uniparental disomy. These genetic changes occur as random events during the formation of reproductive cells or in early embryonic development. This phenomenon is called maternal uniparental disomy. Rarely‚ Prader-Willi syndrome can also be caused by a chromosomal rearrangement called a translation‚ or by a mutation or other defect that abnormally turns off genes on the paternal chromosome
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features vary among affected individuals‚ even within the same family. There are two forms of Opitz G/BBB syndrome‚ which are distinguished by their genetic causes and patterns of inheritance. The X-linked form of Opitz G/BBB syndrome is caused by a mutation in a specific gene‚ MID1‚ on the X chromosome. Autosomal dominant Opitz G/BBB syndrome is caused by a mutation in an as-yet unidentified gene
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CHAPTER 8 1) DNA is found in structures called ______. -chromosomes 2) A(n) ______ is an example of an organism that can reproduce asexually. -amoeba 3)+++ Examine the figure below. Nucleosomes are made of ______. - DNA wrapped around histone proteins 4)++ As shown in the following figure‚ plant cell cytokinesis differs from animal cell cytokinesis because - Plant cells form a cell plate and animal cells do not 5)The chromosomes of eukaryotic cells are found in the _____ -Nucleus 6) Chromatin consists
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Introduction A chromosome is a minuscule threadlike part of the nucleus and a structured DNA in the form of genes carrying hereditary information (Bridges‚ 1938). Endomitosis is the process of mitosis of chromosomes without undergoing nuclear or cellular division to increase cell volume. This results in a single nucleus having many copies of a single chromosome (Painter & Reindorp‚ 1940). In this experiment‚ Drosophila melanogaster is reared in specific conditions and its salivary gland extracted
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homologous chromosomes in meiosis one) are separated and start to move away from each other. anchorage dependence- In order for a cell to resume its divisions it must be touching something else. asexual reproduction- New cells are generated through the process of mitosis (or binary fusion in the case of bacteria). These new daughter are exactly the same as the parent cell that divided. autosome- All the chromosomes in a cell‚ except for the x or y chromosome (the sex chromosomes). benign tumor-
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be capable of assassinating them for their wise words and leadership. Leaders like Marcus Garvey‚ Martin Luther King Jr.‚ and Malcolm X‚ already had strong voices of opinion then and would have even higher voices today. Taking that if with the advanced science there is today‚ we would be able to bring back in time the lives of Martin Luther King Jr.‚ Malcolm X‚ and Marcus Garvey; for them to be able to be the same age they were while showing activism‚ and have an intellectual conversation with
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Turner Syndrome is a genetic disorder that effects development in women‚ per TurnerSyndrome.Org. Women who have Turner Syndrome have one X Chromosome instead of two full X Chromosomes that most females are born with. One of the X chromosomes are “dropped” during Meiosis‚ when the sex cells divide to form eggs in females. It is not usually inherited. Turner Syndrome can affect the development of several body systems in those who have them. Turner Syndrome is believed to be a random error during the
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susceptibility to disease. Chromosomes are the structures that are made up of thousands of genes. Chromosomal disorders are caused by an abnormality of chromosome number or structure. According to the Encyclopedia Britannica (2012) chromosomal disorders are defined as any syndrome characterized by malformations or malfunctions in any system of the body which are caused by an abnormal chromosome number or structure. The normal and abnormal number and structures of genes and chromosomes are the foundation
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