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File - Westpine Biology EOC
File - Westpine Biology EOC

... Every year, monarch butterflies travel thousands of miles from their summer homes in northern states and Canada to wintering spots in Mexico and southern California. In spring, they make the journey back again. However, the butterflies die before they reach their northern homes. New butterflies, hat ...
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... For evolution to happen there MUST be change in specific genes of all member of the population. Change in genes is called mutation. Mutations are usually harmful but in RARE cases they can be helpful. If this happens, and the mutation eventually affects the entire species, the species has evolved. E ...
Review Keystone Biology Multiple choice
Review Keystone Biology Multiple choice

... You set this same experiment up and use methyl orange instead of blue. After 30 minutes there is no change in color in the bag. You set the experiment up again and wait several hours and still see no change in color in the bag when surrounded by methyl orange in the beaker. Which of the following be ...
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The Human Body - Background Notes 4-6

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Biology EOCT Practice Questions Part 2
Biology EOCT Practice Questions Part 2

... that meet up during fertilization to produce a diploid individual. D. Cells that parents undergo mitosis, producing offspring cells that meet up during fertilization to produce an individual with half of each parent’s DNA. ...
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... How do cells control Gene Expression?  For RNA Polymerase to do its job it has to attach to the DNA molecule ...
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... chromosomes within a species. • Infer how meiosis leads to a variation in a species. • Relate Mendel’s law of heredity to the events of meiosis. • Analyze the structure of DNA. • Determine how the structure of DNA enables it to reproduce itself accurately. • Relate the concept of the gene to the seq ...
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Answers to examination questions in Chapters 1
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Biology Keystone Supplemental Packet
Biology Keystone Supplemental Packet

... Describe the characteristics of life shared organisms. by all prokaryotic and eukaryotic organisms. Review All living organisms (prokaryotes and eukaryotes) share the following characteristics: • made up of units called cells • reproduce • use a universal genetic code to store hereditary information ...
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Genetics

Genetics is the study of genes, heredity, and genetic variation in living organisms. It is generally considered a field of biology, but it intersects frequently with many of the life sciences and is strongly linked with the study of information systems.The father of genetics is Gregor Mendel, a late 19th-century scientist and Augustinian friar. Mendel studied 'trait inheritance', patterns in the way traits were handed down from parents to offspring. He observed that organisms (pea plants) inherit traits by way of discrete ""units of inheritance"". This term, still used today, is a somewhat ambiguous definition of what is referred to as a gene.Trait inheritance and molecular inheritance mechanisms of genes are still a primary principle of genetics in the 21st century, but modern genetics has expanded beyond inheritance to studying the function and behavior of genes. Gene structure and function, variation, and distribution are studied within the context of the cell, the organism (e.g. dominance) and within the context of a population. Genetics has given rise to a number of sub-fields including epigenetics and population genetics. Organisms studied within the broad field span the domain of life, including bacteria, plants, animals, and humans.Genetic processes work in combination with an organism's environment and experiences to influence development and behavior, often referred to as nature versus nurture. The intra- or extra-cellular environment of a cell or organism may switch gene transcription on or off. A classic example is two seeds of genetically identical corn, one placed in a temperate climate and one in an arid climate. While the average height of the two corn stalks may be genetically determined to be equal, the one in the arid climate only grows to half the height of the one in the temperate climate, due to lack of water and nutrients in its environment.
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