12 Questions
What must be duplicated before a cell division takes place?
Genome
In eukaryotic cells, what is required to ensure that both daughter cells receive identical sets of chromosomes at cell division?
Mitosis
What happens when a bacterial cell divides?
Each daughter cell receives a copy of the parental chromosome
How does the process of reproduction differ in single-celled organisms compared to multi-cellular organisms?
Multi-cellular organisms need a distinct process to form new organisms
Which cellular process is responsible for the accurate copying of each chromosome during cell division?
Replication
What is the significance of genes being located on chromosomes during cell division?
It requires each chromosome to be accurately copied
What is a key difference between cell division in unicellular and multicellular organisms?
Unicellular organisms divide their cells and reproduce simultaneously, while multicellular organisms have separate processes for cell division and reproduction.
What is a defining feature of asexual or vegetative reproduction?
New individuals are genetically identical to their parents.
Why is sexual reproduction considered to provide a novel genetic assortment?
Each new individual receives roughly equal amounts of genetic information from two separate parents.
What distinguishes vertical gene transmission from horizontal gene transmission?
Vertical transmission includes all forms of cell division, while horizontal transmission does not involve cell division.
Why are bacteria considered to not reproduce sexually?
New bacteria result from the division of a single parental cell.
What happens during the sideways transfer of DNA in bacteria?
A small segment of DNA is transferred from one bacterial cell to another.
Explore how cells divide and replicate their genome to ensure that each new cell receives a complete set of genes. Understand the importance of accurately copying chromosomes during replication.
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