Biology 1001 Midterm 2 Bauzon

Biology 1001 Midterm 2 Bauzon - Term Definition What is...

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Term: What is eugenics? Definition: The sterilization of people who were genetically inferior. Put in place in 1924 by pres. Coolidge Term: Why is eugenics important Definition: Because now we are able to determine the health of chromosomes and people can decide whether or not to keep babies with mutations Term: Why are liver cells, liver cells? Definition: Because of the expression of different proteins Term: Difference between meiosis 1 and 2 Definition: In meiosis one there is duplication of chromosomes and in meiosis 2 there is no duplication, the chromosomes just split in half to make 23 Term: Interphase Definition: The replication of DNA before meiosis 1
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Term: Prophase Definition: The nucleus dissolves so you can split the chromosomes, then the chromosomes condense (the condensation of chromosomes ) and are attached to microtubules ( little spindles that pull the chromosomes apart) Term: Metaphase Definition: Lines the chromosomes up so they can move in different directions Term: Anaphase Definition: Separation of chromosomes Term: Telophase Definition: Reforming of the nucleus
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Term: What are complex genetic traits Definition: Traits that are expressed by individuals who have a genetic and environmental component Term: 3 examples of complex genetic traits Definition: Cancer, cardio vascular disease, diabetes Term: Laws of segregation Definition: Each pair of chromosomes splits independently of each other Term: Law of independent assortment Definition: Members of the same chromosome get divided randomly, but equally Term: What are Watson and krick known for Definition: They discovered the structure of DNA
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Term: What is Rosalind Franklin known for Definition: She figured out that the bases (atcg) are on the inside and the phosphate and sugar groups are on the outside Term: What's the shargoff rule Definition: A pairs with t and g pairs with c and durning mRNA the T turns into a U so A pairs with U. Term: What's the idea of crossing over Definition: Crossing over is the breaking and rejoining of chromosomes, which is why we have variability even though we come from the same host Term: What are genotypes and phenotypes Definition: Genotypes are A particular set if alleles carried by an individual. A phenotype is an observable trait Term: How are genes transported Definition: Transport genes form parents to children to offspring by sharing DNA
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Term: What is DNA transcription Definition: Takes place in the nucleus and its when DNA turns into RNA Term: Wat is mRNA transcription Definition: DNA unwinds,RNA polymerase adds
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