The zipper-ike connection between paired homolops in early prophase is known as a O spindle ber recombination nodies kinetochore O centromere O snaptonemal complex
The zipper-ike connection between paired homolops in early prophase is known as a O spindle ber recombination nodies kinetochore O centromere O snaptonemal complex
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Oogenesis
The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.
Cell Division
Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:
Question
![### Understanding Early Prophase: Key Terms and Concepts
In early prophase, an important phase of meiosis, a structure known as a "synaptonemal complex" forms a zipper-like connection between paired homologous chromosomes. This process is essential for the exchange of genetic material and proper chromosome segregation.
#### Quiz Question:
**The zipper-like connection between paired homologs in early prophase is known as a:**
- [ ] spindle fiber
- [ ] recombination nodules
- [ ] kinetochore
- [ ] centromere
- [x] synaptonemal complex
### Explanation of Terms:
- **Spindle Fiber:** Protein structures that help in chromosome movement and segregation during cell division.
- **Recombination Nodules:** Sites where genetic material is exchanged between homologous chromosomes.
- **Kinetochore:** Protein complexes where spindle fibers attach during cell division.
- **Centromere:** Region of a chromosome where sister chromatids are held together.
- **Synaptonemal Complex:** A protein structure that forms between homologous chromosomes during meiosis, serving as a physical and functional interface for homologous recombination.
Understanding these terms is crucial for comprehending the intricacies of genetic recombination and chromosome dynamics.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F27af745b-6d4f-4129-9ebf-5574c17547e0%2Fb85fbcbd-053c-434d-b7ed-0fb4a3d63f98%2Fbj6kuca_processed.jpeg&w=3840&q=75)
Transcribed Image Text:### Understanding Early Prophase: Key Terms and Concepts
In early prophase, an important phase of meiosis, a structure known as a "synaptonemal complex" forms a zipper-like connection between paired homologous chromosomes. This process is essential for the exchange of genetic material and proper chromosome segregation.
#### Quiz Question:
**The zipper-like connection between paired homologs in early prophase is known as a:**
- [ ] spindle fiber
- [ ] recombination nodules
- [ ] kinetochore
- [ ] centromere
- [x] synaptonemal complex
### Explanation of Terms:
- **Spindle Fiber:** Protein structures that help in chromosome movement and segregation during cell division.
- **Recombination Nodules:** Sites where genetic material is exchanged between homologous chromosomes.
- **Kinetochore:** Protein complexes where spindle fibers attach during cell division.
- **Centromere:** Region of a chromosome where sister chromatids are held together.
- **Synaptonemal Complex:** A protein structure that forms between homologous chromosomes during meiosis, serving as a physical and functional interface for homologous recombination.
Understanding these terms is crucial for comprehending the intricacies of genetic recombination and chromosome dynamics.
Transcribed Image Text:**Question:**
Phase of the cell cycle in which DNA Replication occurs
**Options:**
- ○ G1
- ○ S
- ○ G2
- ○ Prophase
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