Which of the following statements about synapsis and crossing over is true

Hole's Human Anatomy and Physiology

13th EditionDavid N. Shier, Jackie L. Butler, Ricki Lewis

1,402 solutions

Biology

1st EditionKenneth R. Miller, Levine

2,591 solutions

Human Resource Management

15th EditionJohn David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine

249 solutions

Hole's Human Anatomy and Physiology

15th EditionDavid Shier, Jackie Butler, Ricki Lewis

1,950 solutions

Biology

1st EditionKenneth R. Miller, Levine

2,591 solutions

Clinical Reasoning Cases in Nursing

7th EditionJulie S Snyder, Mariann M Harding

2,512 solutions

Human Resource Management

15th EditionJohn David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine

249 solutions

Human Resource Management

15th EditionJohn David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine

249 solutions

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Both the statements are wrong

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Solution

The correct option is A Only I
Synapsis occurs during the zygotene stage of prophase I of meiosis I. It is the process of pairing up of homologous chromosomes.
During the pachytene stage of prophase I of meiosis I, the non-sister chromatids of the homologous chromosomes crossover and exchange genetic information. This leads to the recombination of the genetic material.
The image given below shows the process of crossing over:

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Textbooks

Question Papers

What is synapsis and crossing over?

Synapsis or syndesis is the lengthwise pairing of homologous chromosomes. Synapsis mainly occurs during prophase I of meiosis I. A protein complex called the synaptonemal complex connects the homologues. The chromatids intertwine, breaking apart and exchanging pieces with one other in a process called crossing-over.

What is a true statement about crossing over?

Answer and Explanation: d. Chromosomes from both parents exchange genes at random. During crossing over, gametes form new gene combinations by process of crossing over.

Which of the following is true crossing over?

Which of the following is true of crossing over?  It involves the exchange of chromosome segments between homologous chromosomes.

In what stage does synapsis and crossing over occurs?

It allows matching-up of homologous pairs prior to their segregation, and possible chromosomal crossover between them. Synapsis takes place during prophase I of meiosis.

Which of the following statements about synapsis and crossing over is true

Hole's Human Anatomy and Physiology

Biology

Human Resource Management

Hole's Human Anatomy and Physiology

Biology

Clinical Reasoning Cases in Nursing

Human Resource Management

Human Resource Management

What is synapsis and crossing over?

What is a true statement about crossing over?

Which of the following is true crossing over?

In what stage does synapsis and crossing over occurs?

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