Mutations are random and don’t happen in response to environmental changes. Genetic Variation Test 25 Questions | By Chasewebber | Last updated: Sep 4, 2020 | Total Attempts: 3243 Questions All questions 5 questions 6 questions 7 questions 8 questions 9 questions 10 questions 11 questions 12 questions 13 questions 14 questions 15 questions 16 questions 17 questions 18 questions 19 questions 20 questions 21 questions 22 questions 23 questions 24 questions 25 questions Answers: 3, question: answers If the females start to use criteria other than the color of the feathers when choosing a partner, there would be a decrease in the variations of red tones. ... Other questions on the subject: Biology. Drag each description to the appropriate type of evolution that e - the answers to estudyassistant.com Correct answer to the question Explain which processes take place during meiosis that lead to variation in inherited traits. Similarly the mother has blue eyes and curly hair but her daughters could inherit brown Page 202 Essay on Genetic Variation Essay # 1. Why would some variations/traits be passed on to the next generation and some seem to disappear over time?3. 40 | The environmental factor that could lead to a decrease in genetic variation in a population of tune is an increase in pollution. Find paragraphs, long and short essays on ‘Genetic Variation’ especially written for school and college students. Over generations, the gene versions with better chances are favored and the other variations die out. 22 | ttyy, There are two new combinations of characters: tall plants with green seeds (Ttyy) and dwarf plants with yellow seeds (ttYy). Next Functions. © Copyright 2004 - 2020 D G Mackean & Ian Mackean. Index | So photosynthesis will be greater and, consequently, the fruit will be larger. ADVERTISEMENTS: Here is an essay on ‘Genetic Variation’ for class 9, 10, 11 and 12. Past papers: Use this link to access past papers that will help support your answers. 2. a The X and Y sex chromosomes are inherited independently of hair colour and texture. ii. Mutation is a change in a gene or chromosome, and can also be inherited. ADVERTISEMENTS: Everything you need to know about molecular biology. 1. 3. Mutations Mutations are the original source of DNA mutations. So will aBC. 17 | 18 | c More or less equal mixture: body build, athleticism. cold blooded, lives in water, has gills and paired fins ? The random joining of sex cells can also be a source of genetic variation. А There is greater variation among the offspring B The offspring are identical to the parents C Only one p - the answers to estudyassistant.com The specifications these exam questions came from are no longer in use, but the marking method has largely remained unchanged. Large, dominant alpha males get access to females using their strength, while on the other end of the size spectrum, small males are opportunistic and sneak in and mate with females. If y varies directly as x, and x = 12 when y = 9, what is the equation that describes this direct variation? Been stuck on this question forever...I have to do this for my biological anthropology lab and I got this question i've been stuck on for forever :O. 39 | This, in turn, preserves the variation that the gametes carry. Mutation is a change in a gene or chromosome, and can also be inherited. 1. a) Genetic diversity is a product of evolution which enables species to adapt to their changing environment. 24 | cold blooded, dry scaly waterproof skin, lays eggs on land ? b) Students of Grade 12 will be able to download the Questions of HOTs and answer and practice to get better marks in Class 12 exams. - edu-answer.com 2. a The X and Y sex chromosomes are inherited independently of hair colour and texture. Mutations are changes in DNA coding that effect an organism’s physiology, behavior, and/or appearance. Genetic recombination is the main way that sexual reproduction leads to genetic variation. 38 | Phenotypic variations may be brought about by genes, but can also be caused by the environment, or a combination of both genes and the environment. Examples of genetic variation in humans include blood group, skin colour and natural eye colour. 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