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1. When do homologous chromosomes separate during meiosis? 2. How do homologous chromosomes separate during anaphase? 3. How do daughter cells receive both maternal and paternal chromosomes? 4. What process occurs during meiosis I that causes daughter cells to be haploid? 5. What is crossing over? 6. How does crossing over increase genetic diversity? 7. What is independent assortment? 8. How does independent assortment increase genetic diversity? 9. What is random fertilization? 10. How does random fertilization increase genetic diversity?

Question

  1. When do homologous chromosomes separate during meiosis?
  2. How do homologous chromosomes separate during anaphase?
  3. How do daughter cells receive both maternal and paternal chromosomes?
  4. What process occurs during meiosis I that causes daughter cells to be haploid?
  5. What is crossing over?
  6. How does crossing over increase genetic diversity?
  7. What is independent assortment?
  8. How does independent assortment increase genetic diversity?
  9. What is random fertilization?
  10. How does random fertilization increase genetic diversity?
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Solution

  1. Homologous chromosomes separate during the first division of meiosis, specifically in Anaphase I.

  2. During Anaphase I of meiosis, the homologous chromosomes separate due to the action of the spindle fibers. The spindle fibers shorten and pull each chromosome towards opposite poles of the cell.

  3. Daughter cells receive both maternal and paternal chromosomes through the process of meiosis. During meiosis, one set of chromosomes (haploid) is inherited from each parent, so the resulting daughter cells have a complete set of chromosomes (diploid).

  4. The process that occurs during meiosis I that causes daughter cells to be haploid is the separation of homologous chromosomes. This reduces the chromosome number by half.

  5. Crossing over is a process that occurs during Prophase I of meiosis where homologous chromosomes pair up and exchange segments of their genetic material.

  6. Crossing over increases genetic diversity by creating new combinations of genes within the chromosomes. This means that each gamete (sex cell) can have a unique combination of genes from both parents.

  7. Independent assortment is the process where the chromosomes line up randomly at the equator during Metaphase I of meiosis. This means that it is a matter of chance which chromosome from each homologous pair ends up in each daughter cell.

  8. Independent assortment increases genetic diversity by ensuring that each gamete contains a different combination of chromosomes from the mother and father. This leads to offspring with a unique genetic makeup.

  9. Random fertilization is the process by which one sperm cell randomly fertilizes one egg cell. Given the millions of possible sperm and egg combinations, this process greatly increases the potential for genetic variation.

  10. Random fertilization increases genetic diversity because it is a random process. Any sperm has an equal chance of fertilizing any egg, leading to a unique combination of genes in the resulting offspring. This contributes to the genetic variation in a population.

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Research “What is the evolution between mammoths and elephants?”Use detailed facts-What are similarities/differences between a mammoth and an elephant?-What fossils were found of mammoths in the early ages?- Were genes and traits transferred from mammoths to elephants? How?For each question please provide 3-4 detailed facts/answers.

8. Which of the following is a correct statement about meiosis?1 pointThere are four stages in meiosis.Gametes will contain the same number of chromosomes as the parent cell.Sister chromatids are separated during anaphase II.Crossing over occurs in prophase II.

Sure, I can help you form proper questions from the words provided. Here are the questions based on the words and phrases from the image: 1. When Mendel crossed true-breeding tall plants with short plants, why did he get all tall plants? 2. Principles of probability are used for what in genetics? 3. What is the haploid number for [diploid]? 4. When two of the chromosome cross (figure), what happens? 5. Black hen x white rooster - [incomplete dominance] - what is the result? 6. A Punnett square shows all of the following but what? 7. Mitosis and meiosis difference [meiosis results in]? 8. When Griffith killed pneumonia bacteria mixed with healthy one, what happened? 9. Linked genes? 10. If two genes are on the same chromosome and they rarely assort independently, what does this mean? 11. Which of the following nucleotides is found in DNA? Thymine. 12. Unlike DNA, RNA contains what? 13. What type of RNA carries out protein synthesis? 14. During transcription, RNA is formed where? 15. How many codons are used to make one amino acid? 16. DNA replication results in two DNA molecules. 17. Which bacteria is least likely to react to others? 18. What is true about a codon? 19. Codons represent turns of the genes by binding to? 20. Bacteria and viruses described know by? 21. Humans are polyploidy; humans have 2 chromosomes. 22. Hybridization? 23. Genetic engineering? 24. (Fig. 13) Double-stranded DNA is cut into sections. What does it show? 25. Selective breeding. What does it do? 26. A recombinant plasmid gets inside a bacteria cell now? 27. What do we use as a genetic marker? 28. Cloning: which of the following is a clone? 29. What two cells were used to make Dolly? 30. Probability of human offspring is male? 31. Probability of human offspring will carry X chromosome? 32. A pedigree can not be used to? 33. PKU - person who has PKU defect? 34. Which genotypes have same phenotypes for blood type? 35. Which of the following first step in gene therapy? 36. Human genome was sequenced now? 37. DNA fingerprinting is based on? 38. Chromosomes 21 & 22 contain long stretch of DNA which? These questions are based on the words and phrases provided in the image. You can use these questions to study for your test.

During anaphase I ________.half of the chromosomes inherited from the mother go to one pole along with half of the chromosomes inherited from the fathersister chromatids separate and the daughter chromosomes migrate to opposite polesall of the chromosomes inherited from the mother go to one pole of the cell, and all of the chromosomes inherited from the father go to the other polehomologous chromosomes randomly separate and migrate to opposite poles

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