1. 2. 3. All of Allison’s eggs will carry the X chromosome and 50% of Allison’s egg cells will carry the recessive allele (hexa). 4.a. There is a 25% chance that Allison and Tim will have a baby boy who is heterozygous for Tay-Sachs. b. No‚ the baby boy will not have Tay-Sachs he will be a carrier for the disease. The boy would only have the disease if he was homozygous recessive. | X | Y | X | XX | XY | X | XX | XY | 1:2 1:2 | T | t | T | TT | Tt | t | Tt | tt
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|BUAD – 555 Decision Science |October 3rd. | | |2012 | |Mini Exam # 2 | | |Students’ Version
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Diffusion of Cell Size 2012 Kayla Szabo Loxton High School 2/20/2012 Rate of Diffusion Practical report Introduction: Diffusion is the movement of a substance from an area of high concentration to an area of low concentration. Cells need to utilise diffusion to exchange materials from outside of the cell to the inside of the cell for them to survive. Diffusion is a passive process‚ which means it doesn’t involve the need of energy. For a cell to survive it relies greatly on its size
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9.5.2.4 Use available evidence to suggest reasons for the differences in the range of electromagnetic radiation detected by humans and other animals: Reasons for differences in detection between humans and other animals: The differences between human detection range and other animals detection range relates to their environment in which they live in and their way of life. The detection out of the visible spectrum is usually an adaptation for survival of the organism. Humans detection
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1. a) Describe the externalities that are shown in Figure 3.1 as a result of human economic activities. b) Connect the concept of externalities to market failure and illustrate with an example. (pp. 43-45) a – The externalities in this illustration are‚ as in most cases found “downstream” the main one here is the polluted river as a result of a few causes. The farm is causing pollutants to enter the stream and flow down river‚ as well as‚ the uncontrolled erosion taking place and
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Assignments For your ease in completing the following assignments‚ the background text relevant to the experiment that you will perform is in orange text‚ instructions for each assignment are indicated by plain text‚ and questions or activities that you will be asked to provide answers for are indicated by bold text. Assignment 1: Getting to Know PopEcoLab:Single Species Population Growth This assignment is designed to help you become familiar with the operation of PopEcoLab by studying the
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B1a Fitness and health 1. You should be thinking about the differences between health and fitness‚ concentrating on the causes and prevention of heart disease‚ which is the most common cause of death in the UK. 2. Have ideas on encouraging a healthy lifestyle e.g. ways to reduce the risk of heart disease and high blood pressure e.g. give up smoking‚ avoid eating high levels of salt and avoid eating high levels of saturated fat. 3. Know that the risk of developing heart disease can be increased
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DNA is the biomolecule that provides the information for that organism. Which of the following statements about DNA is CORRECT? ……….. All cells in an organism have the same DNA‚ but differently expressed‚ providing specific cellular functions. Which of the following molecules is not found in RNA? ………… Thymine. Which of the following types of molecule would be most abundant in a typical animal cell? ‚‚……… Water. While studying the biochemistry of a species of plant found in alpine bogs‚ a biologist
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1.The Effect of Boiled Lagundi Leaves to the Cough Abstract: Carbocistine is a kind of medicine who can cure cough. This investigatory project that we made shows that we can make our own cough reliever without spending money and we use herbal plants instead of chemicals. It is much affordable if you have a lagundi plant (vitex negudo l.) in your backyard. We add brown sugar so that the syrup will have a sweet taste. Background of the Study: Many people‚ especially those who are poor cannot
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Skin Touch Receptors Prac. Names ……………………………………………………….. How sensitive is skin to touch? The receptors for the sense of touch are scattered over the surface of your entire body‚ however those receptors are more closely grouped together in certain parts of your body. In this activity you will investigate the distribution and sensitivity of the touch receptors in the human body. Procedure 1. Obtain 8 large paperclips‚ a ruler‚ and masking tape. 2. Bend paperclip to form a “U” or
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