How does crossing over increases genetic variation

Example Question 7 : Understanding Crossing Over. Chromosomal crossover occurs in which phase of meiosis? Possible Answers: Anaphase II. Explanation : During prophase I, homologous chromosomes pair with each other and exchange genetic material in a process called chromosomal crossover.

Example Question 8 : Understanding Crossing Over. Possible Answers: Tetrads. Correct answer: Homologous chromosomes. Explanation : Crossing over occurs when chromosomal homologs exchange information during metaphase of Meiosis I.

Example Question 9 : Understanding Crossing Over. Possible Answers: Interphase. Explanation : Crossing over occurs during prophase I when parts of the homologous chromosomes overlap and switch their genes. Copyright Notice. View Tutors. Jordan Certified Tutor. University of Alabama at Birmingham, Bachelor of Sc Michael Certified Tutor.

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Sign in with email. Table of Contents. A review of the Law of Independent Assortment and recombination crossing over in meiosis during gamete formation.

Credit: Biology Professor. Quiz Fill in the gaps: write the best answer on the blank provided to complete the text. Select from the following word s : chiasmata, homologous chromosomes, meiosis, exchange, variation. During , the homologous chromosomes pair up. The points along the chromosomes that make contact with the other pair are called. These points of contact allow the of genetic information. This leads to a further increase in genetic. Send Your Results Optional. Your Name.

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