Prezygotic reproductive isolation can occur O a. during embryo development O b. during fetal development C. after birth d. during meiosis O e. during fertilization
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- Gametogenesis is d. The process of gamete formation which goes through one division of meiosis Oc. The process of gamete formation which goes through one division of mitosis b. The process of gamete formation where the number of chromosomes is halved for 23 chromosomes a. The process of gamete formation where the number of chromosomes is doubled for 46 chromosomes None of the choices are correct Question 3 or False: Meiosis undergoes two sets of divisions.QUESTION 2 Crossing over in meiosis results in O A. Down Syndrome (a chromosomal disorder). B. new combinations of genes and more variety of offspring. O C. sterile hybrids (ex. Horse x donkey = mule that is infertile and cannot have offspring). O D. cells with triple helix DNA in them. Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBookQUESTION 3 Nondisjunction is rare. Which of the following is FALSE? O A. Nondisjunction is when chromosomes separate properly in meiosis. O B. Nondisjunction is when homologous or daughter chromosomes stick together and move to the same pole. O C. Nondisjunction results in some eggs or sperm with too many chromosomes and some with too few chromosomes. O D. In humans, eggs and sperm made from nondisjunction can have 22 or 24 chromosomes, instead of the normal 23.
- QUESTION 3 Nondisjunction is rare. Which of the following is FALSE? A. Nondisjunction is when chromosomes separate properly in meiosis. B. Nondisjunction is when homologous or daughter chromosomes stick together and move to the same pole. OC. Nondisjunction results in some eggs or sperm with too many chromosomes and some with too few chromosomes. D. In humans, eggs and sperm made from nondisjunction can have 22 or 24 chromosomes, instead of the normal 23.Question # 11. What is Recapitulation theory? What are evidences proving Von Baer concept?QUESTION 9 Is nondisjunction a good or a bad thing? A. Good because it ensures that each child has the same number of chromosomes as their parents. B. Good because it usually results in healthier individuals than can be made without it. C. Bad because eggs and sperm end up with a mixture of the parent's parents DNA. D. Bad because eggs and sperm end up with the wrong number of chromosomes. QUESTION 10 What stage(s) of meiosis does nondisjunction take place in? A. Early and Late Interphase B. Prophase I C. Metaphase I or Metaphase II D. Anaphase I or Anaphase II
- Question 2 Review concept 14.1. Select all correct answers. Pp is a representation of O genotype. O phenotype. O heterozygous for that gene. O homozygous for that gene.Question 8 Review genetic variation. This is a multiple answers question. Which statement is true about the mechanisms of genetic variation? independent assortment of chromosomes O crossing over random fertilization O mitosisQuestion 23 2 pts In your own words, please explain how the process of meiosis leads to siblings that are not clones of each other. Answer in two to five sentences. 12pt v Paragraph BIUA
- QUESTION 2 What is crossing over in meiosis? A. DNA exchanges between homologous chromosomes O B. failure of chromosomes to separate properly O C. when chromosomes go from looking like a single line to an X O D. when chromosomes randomly line up across the middle of the cell Click Save and Submit to save and submit. Click Save All Answers to save all answers.O Canvas Dr. Pass Question 22 Observe the karyotype below to answer the questions. く)1 ( 3 2 器 11 20 身S a8 16 10 88 85 21 1. Is this person biologically male or female? 2. What is the proper term for the anomaly displayed in the karyotype? 3. How does this anomaly occur? During which stage(s) of meiosis? Edit Format Table 12pt v Paragraph v U A12:36 This account does not allow editing on your (X) device. For an account with full acces...more Sign in Biology Review L.16.17 – Mitosis/ Meiosis Compare and contrast mitosis and melosis and relate to the processes of sexual and asexual reproduction and their consequences for genetic variation. 1. Differentiate the processes of mitosis and meiosis. 2. Describe the role of mitosis in asexual reproduction, and/or the role of meiosis in sexual reproduction, including how these processes may contribute to or limit genetic variation. 3. Describe specific events occurring in each of the stages of the cell cycle and/or phases of mitosis. 4. Explain how mitosis forms new cells and its role in maintaining chromosome number during asexual reproduction. 5. Explain how cancer (uncontrolled cell growth) may result from mutations that affect the proteins that regulate the cell cycle. 6. Describe the process of meiosis, including independent assortment and crossing over 7. Explain how meiosis…