Instructions Explain 1 way each of the following can occur. In your answer, say whether non- disjunction occurs in the father or mother and whether it occurs in the first or second division. There may be
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- Instructions Explain 1 way each of the following can occur. In your answer, say whether non- disjunction occurs in the father or mother and whether it occurs in the first or second division. There may be more than one possible way for these errors to occur, you only need to list one way. XXY YO (An embryo with no X chromosome, but has a Y chromosome) They will not survive)Women sometimes develop benign tumors calledovarian teratomas or dermoid cysts in their ovaries.Such a tumor begins when a primary oocyte escapesfrom its prophase I arrest and finishes meiosis Iwithin the ovary. (Normally meiosis I does not finish until the primary oocyte is expelled from theovary upon ovulation.) The secondary oocyte thendevelops as if it were an embryo. Development isdisorganized, however, and results in a tumorcontaining differentiated diploid tissues, includingteeth, hair, bone, muscle, and nerve. If a dermoidcyst forms in a woman whose genotype is Aa, whatare the possible genotypes of the cyst, assuming norecombination?Your friend is pregnant with triplets. She thinks that itis equally likely that she will be the mother of 3 sons,3 daughters, 2 sons and 1 daughter, or 1 son and 2daughters. Is she correct? Explain. (Assume that eachof the triplets is from a separate fertilization, and thatboys and girls are equally likely.)
- I have assignment for meiosis flip book and I have to draw and label and explain what happens in all the stages like early prophase middle prophase and late prophase for every stage like anaphase, metaphase etc1. 10 Meiosis Reading and Voc X James Green- Recovery Opportu X d/e/1FAlpQLSe2TqFrpPuk-re3-isqbyWK6SUIH3pkHhJdbT0tlqogh58bww/viewform?hr_submission=Chkis-WD4ZSE What is the process by which haploid gametes combine, forming a diploid 3p cell with 2n chromosomes, with n chromosomes from the female parent and n chromosomes from the male parent? Topography O Fertilization Genomics Crossing over 2 points nit that controls inherited trait expression that is passed IIU Home Insert Calibri Regular (Bo 11 Can't upload - The file may have been moved or deleted while you were editing. Can't upload - Please sign into your account. Name: Biology 2 Unit 3 Sequence 2 Variation and Mutation Summative Complete the following to the best of your ability: 1) Explain or draw the process of Meiosis and include crossing over. Make sure you include what the end product of Meiosis is and how many chromosomes are present in each cell. 2) Explain or create a model to explain why there is variation within a family. Answer the question; why do offspring not look identical to their parents? Chromosomes switch places and cause variation during meiosis Draw Layout Review View BIUaA✓ ✓ ✓ Save a cop Sign
- A human male named Phillip has an X chromosome that ismissing its Xic. Is this caused by a new mutation (one that occurredduring gametogenesis), or could this mutation have occurred in anearlier generation and be found in the somatic cells of one of hisparents? Explain your answer. How would this mutation affect hisability to produce viable offspring?During what phase of meiosis do homologous chromosomes separate? O anaphase I O metaphase I O telophase || O anaphase || metaphase IIO 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 A
- 14. Label the phases of Meiosis and annotate any important events or features. 9--0-Discuss the human life cycle and the purpose of meiosis. (please make it short 4-5 sentences)Formation of Gametes The following cell completed interphase and replicated the chromosomes for meiosis. During the formation of gametes, the chromosomes failed to separate properly during meiosis. Complete the table below by indicating the two possible stages in meiosis where nondisjunction could occur and the possible combination of gametes. A) Type of Nondisjunction (Identify the meiotic stage.): _______________________ Daughter Cell 1 Daughter Cell 2 Daughter Cell 3 Daughter Cell 4 Number of Chromosomes in Each Daughter Cell B) Type of Nondisjunction (Identify the meiotic stage.): _______________________ Daughter Cell 1 Daughter Cell 2 Daughter Cell 3 Daughter Cell 4 Number of Chromosomes in Each Daughter Cell