Question
Select the statement(s) that accurately describe the process and result of the recombination process of crossing over.
The chromosomes break and rejoin, trading some of their genes.
The chromosomes cross over at different points.
This recombination results in genetic variation by creating new gene combinations.
During meiosis, 1 chromosome from each parent pair along their lengths
The chromosomes break and rejoin, trading some of their genes.
The chromosomes cross over at different points.
This recombination results in genetic variation by creating new gene combinations.
During meiosis, 1 chromosome from each parent pair along their lengths
Answers
GPT-4o mini
The following statements accurately describe the process and result of the recombination process of crossing over:
1. **The chromosomes break and rejoin, trading some of their genes.**
- This statement describes the fundamental mechanism of crossing over, where homologous chromosomes exchange segments of genetic material.
2. **This recombination results in genetic variation by creating new gene combinations.**
- This statement accurately reflects the outcome of crossing over, as it leads to the formation of new combinations of alleles, contributing to genetic diversity.
The other statements may not fully capture the essence of crossing over:
- **The chromosomes cross over at different points.**
- While this is true to some extent, it lacks specificity and may not accurately represent the concept of how crossing over occurs in a broader context.
- **During meiosis, 1 chromosome from each parent pair along their lengths.**
- This statement is unclear and somewhat misleading; it does not accurately describe the process of crossing over.
So, the most accurate descriptive statements regarding crossing over are the first and third listed.
1. **The chromosomes break and rejoin, trading some of their genes.**
- This statement describes the fundamental mechanism of crossing over, where homologous chromosomes exchange segments of genetic material.
2. **This recombination results in genetic variation by creating new gene combinations.**
- This statement accurately reflects the outcome of crossing over, as it leads to the formation of new combinations of alleles, contributing to genetic diversity.
The other statements may not fully capture the essence of crossing over:
- **The chromosomes cross over at different points.**
- While this is true to some extent, it lacks specificity and may not accurately represent the concept of how crossing over occurs in a broader context.
- **During meiosis, 1 chromosome from each parent pair along their lengths.**
- This statement is unclear and somewhat misleading; it does not accurately describe the process of crossing over.
So, the most accurate descriptive statements regarding crossing over are the first and third listed.