Recombination of Chromosomes – Gene Mapping
About the Lecture
The lecture Recombination of Chromosomes – Gene Mapping by Georgina Cornwall, PhD is from the course Understanding Genetics.
Included Quiz Questions
When are allelic pairs most likely to assort independently of each other?
- When the alleles are on different chromosomes
- When the alleles are next to each other on the same chromosome
- When the alleles are on the same chromosome, too close together for crossing over to occur
- When the genes are associated with the same trait
- When crossing over occurs and the alleles end up on the same chromosome
When does crossing over occur?
- Prophase I
- Metaphase II
- Anaphase I
- Telophase I
- Interphase
Which of the following is NOT correct regarding the recombination of chromosomes?
- Crossing over between the pure dominant parent and recombinant gametes results in identical recombinant phenotypes.
- Crossing over and synapsis lead to genetic recombinations.
- The exchange of genetic material with crossing over during gamete formation leads to phenotypic recombinations in the next generation.
- If there is no crossing over or synapsis during gamete formation in a heterozygous individual, it leads to the formation of parental gametes.
- Crossing over involves the physical exchange of genetic material that is accompanied by phenotypic recombination.
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Author of lecture Recombination of Chromosomes – Gene Mapping
Georgina Cornwall, PhD
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Very clear and useful for me to finally get a grip on this topic.
By Monir M. on 28. February 2020 for Recombination of Chromosomes – Gene Mapping
Very clear and useful for me to finally get a grip on this topic.
