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When DNA is replicated the copied sister chromatids remain attached to what strcture?
The copied sister chromatids remain attached to the centromere, which is a specialized region of the chromosome where the two chromatids are joined. This attachment is crucial for ensuring that each daughter cell receives one copy of each chromatid during cell division.
When DNA has replicated the copied sister chromatin's remain attached to what structure?
After DNA replication, the copied sister chromatids remain attached at a region called the centromere. The centromere holds the sister chromatids together until they are separated during cell division. This attachment is crucial for proper chromosome segregation during mitosis and meiosis.
What structure do copied sister chromatids remain attached?
Copied sister chromatids remain attached at the centromere region, which is a specific DNA sequence on the chromosome. The centromere serves as the attachment site for the spindle fibers during cell division, ensuring that each daughter cell receives one copy of the chromatid.
What two paired cell structures are copied before mitosis begins?
Chromosomes are copied in the form of sister chromatids during S-phase of the cell cycle, which are then separated during mitosis. The centrioles also duplicate before mitosis begins to ensure proper formation of the mitotic spindle and accurate segregation of chromosomes.
During crossing-over what happens to portions of chromatids?
During crossing-over, portions of chromatids exchange genetic material with their homologous chromatids. This results in genetic recombination, where genes are shuffled and new combinations of alleles are created, increasing genetic diversity.
What happens in meiosis I that does not occur in meiosis I I?
DNA is copied.
What does interphase mean?
Interphase is chromes are copied (#doubles). Chromosomes appear asthread like coila (chromathin) at the start, but each chromosomes) change to (sister chromosomes) changeto sister chromatids atend of thisphase.
What does interphase make copies of?
There are three stages in interphase G1, S, and G2. G1 the cell grows. S the DNA is copied and sister chromatids appear. G2 the cells grows and specializes DNA.
What happens to the amount of chromosomes during cell division?
During cell division the chromosomes are copied and they form sister chromatids. Then the mitotic spindle attaches to the sister chromatids and pulls them apart, splitting the nucleus in two. Then the cell goes through cytokenesis and the cell membrane is pinched together in the center, this divides the organelles and the cytoplasm between the two daughter cells.
What is the past tense of copy?
I copied, You copied, He copied, We copied, They copied
How many chromatids are present in a cell with 6 chromosomes, each consisting of 2 chromatids?
In a cell with 6 chromosomes, each consisting of 2 chromatids, there are a total of 12 chromatids present.
What chromatids are attached at the centromere?
Sister chromatids are the chromatids that are attached at the centromere. Sister chromatids are two identical copies of a chromosome produced during DNA replication, and they remain attached until they are separated during cell division.
