动物繁殖（Animal reproduction）.docVIP

动物繁殖（Animal reproduction） Qingdao Agricultural University Postgraduate entrance examination in 2011 (subject code: 340 subjects Name: agricultural knowledge synthesis two) Note: 1, before the answer, candidates must fill in the answer paper candidates name, registration unit and examinee number. 2, the answer must be written on the answer sheet, written on the examination paper or draft paper are invalid. 3, answer must use blue, black pen or ball point pen, other is invalid. 4, after the examination, the answer sheet and questions are loaded into the examination bag. The second part: Animal Genetics First, fill in the blanks (10 points, 2 points each, please fill in the brackets after the correct answer number) The establishment of the 1 and DNA double helix model is (). A B, Morgan, Darwin C, Watson and Crick, D, Mendel Second pages (7 pages altogether) 2, DNA replication occurs mainly in (). A nuclear B cell membrane C cytoplasmic D ribosome 3. One of the genetic characteristics of quantitative characters is (). A variation is discontinuous, and B does not conform to Mendels law of inheritance C can distinguish D, micro effect, polygenic control from appearance 4, Mendel believes that genetic material is (). A, nucleic acids, B, proteins C, particulate, D, immaterial 5, a sheep breeds ram has horns, and ewes only grow without obvious horns, the genetic mode is (). A, sex linked inheritance, B, sex inheritance C, transgressive inheritance, D, and inter inheritance Two, the noun explanation (15 points, 3 points each) Multiple effects: Sex limited inheritance: Intersection: Gene mapping: Alleles: Three, judge (a total of 10 points, 1 points each, please correct the statement after playing +, in the wrong statement after playing in brackets.) 1) chromatin and chromosomes are made of the same substance. () 2) the appearance of the same individual, sometimes produce a completely different offspring, which is mainly the result of external conditions. () 3) according to