Name: Date: Student Exploration: DNA Fingerprint Analysis Vocabulary: codon‚ DNA‚ DNA fingerprint‚ genotype‚ identical twins‚ nitrogenous base‚ phenotype‚ trait Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. The two navy officers shown at left are identical twins. Why do you think identical twins look so similar? Identical twins look so similar because identical twins have the same genetic
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LIVING THINGS * All living things come from other living things. * Ex: One single celled organism to another * DNA is copied & passed to offspring * The signature molecule of life * Ex: embryo- cells continually divide & develop EVOLUTION * Why do some organisms seem suited for their environment * Ex: Hummingbird- long beak for nectar in certain flowers * Ex: Cheetahs- take down faster prey * Adaptation- inherited characteristic that
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and count them using a stereomicroscope‚ sorting them with the paintbrush by gender and phenotype. Record this data as it will be used to determine one’s prediction for what type of gene the trait was on. Then using Punnett and Chi square analysis to determine whether one’s prediction was correct. Use this prediction to create a punnett square for the cross‚ and then find the expected ratios of the F1 phenotypes. Use both the predicted and observed values to undergo a Chi-square analysis. Doing the
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expected in their progeny. Use a Punnett square. 6. Determine the possible genotypes of the parent shown below by analyzing the phenotypes of their children. Assume that brown eyes (B) is dominant to blue (b) and that right handedness (R) is dominant to left handedness (r). Give expected genotypic ratios using the branching method. |Parental Phenotypes |Phenotypic ratio in Progeny | |
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spectrum disorders and other development disabilities. (2013). Retrieved from http://www.cdc.gov. Ross‚ J‚. & Roeltgen‚ D.‚ & Kushner‚ H.‚ & Zinn‚ A.‚ & Reiss‚ A.‚ & Bardsley ‚ M.‚ & McCauley‚ E.‚ & Tartaglia‚ N. (2012). Behavioral and social phenotypes in boys with 47‚XYY syndrome or 47‚XXY klinefelter syndrome. Pediatrics Official Journal of theAmerican Academy of Pediatrics‚ 129(4)‚ 769‚ 778. doi: 10.1542/peds.2011-0719. Institutional and editorial misconduct in the MMR scare. (2011). BMJ
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“Human genetic engineering is the alteration of an individual’s genotype with the aim of choosing the phenotype of a newborn or changing the existing phenotype of a child or adult. It holds the promise of curing genetic diseases like cystic fibrosis‚ and increasing the immunity of people to viruses. It is speculated that genetic engineering could be used to change physical appearance‚ metabolism‚ and even improve mental faculties like memory and intelligence”. (Wikipedia) There are many risks associated
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Evolution Lab A. 1. a. The default value of 20 cm of rainfall is relatively low compared the range that the island may receive‚ which is anywhere between 0 cm to 100 cm. b. From an average of 20 cm of rainfall I would expect more hard seeds to be produced. 2. a. The beak size of 12 mm is relatively shallow compared to the available range from 10 mm to 30 mm. b. The shallow beak size of 12 mm is not suited for the hard seeds that are available because of the low rainfall of 20 cm.
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planet establishes that each human is unique in their traits and characteristics. Those traits describe our genotype‚ the complete inherited makeup of an organism (Mossler‚ 2011). The genes of both parents play a crucial role in the genotypes and phenotypes of a human being; this predisposition will also be marked by environmental factors that will determined the condition of a child. In the complex elaboration of humans‚ even genetic can develop abnormalities that will create chromosomal disorders
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wild-type purple flowers. What does this genetic complementation test tell you? a. The genes are part of distinct biosynthetic pathways b. The two lines exhibit different mutations in the same gene c. More than one gene is involved in determining the phenotype d. The allele is pleiotropic e. The allele exhibits incomplete dominance 2. In a testcross of two plants where one parent is tall and has normal leaves and the other parent is a dwarf and has mottled leaves (tm/tm)‚ the following numbers of progeny
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with very distinct phenotypes. The research team began with the observation that females bees who are fed royal jelly while a larvae become queen bees‚ while females not fed royal jelly become normal worker bees. The research team then worked from the hypothesis that there is something in royal jelly that when eaten‚ epigenetically affects methylation of DNA in the female so that there is lowered methylation‚ which in turn leads to higher gene expression and likely the phenotype of the queen bee.
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