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In the laboratory, chromosomes can be separated according to length by the electric field of a gel electrophoresis apparatus. The separation of a chromosome into individual units during cell division (mitosis or meiosis) is caused by microtubules which attach the centromere to opposite end of the cell, pulling the two chromatids apart as the cell divides.
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What happens to the number of chromosomes in mitosis?
During mitosis, the number of chromosomes remains the same. The cell duplicates its chromosomes and then separates them evenly into two daughter cells, each with the same number of chromosomes as the original cell.
What happens during the process of mitosis?
During mitosis, a cell duplicates its DNA, condenses it into chromosomes, then separates the duplicated chromosomes into two identical sets. This results in two daughter cells, each with the same genetic information as the original cell. Mitosis is essential for growth, repair, and the maintenance of the body's tissues.
How do the products of meiosis 1 differ from those of meiosis 2?
The products of meiosis 1 are two haploid daughter cells with duplicated chromosomes, while the products of meiosis 2 are four haploid daughter cells with unduplicated chromosomes. Meiosis 1 separates homologous chromosomes, while meiosis 2 separates sister chromatids.
What enzyme separates the two strands of DNA to initiate the replication process?
The enzyme that separates the two strands of DNA to start the replication process is called helicase.
What type of bond is broken when mRNA separates during the process of protein synthesis?
During the process of protein synthesis, the bond that is broken when mRNA separates is a hydrogen bond.
Which process separates chromosomes meiosis chemosynthesis inheritance pedigree?
meosis
Which of the following processes separates homologous chromosomes?
anaphase I
What is the process in which one cell division yields two new cells?
Mitosis is the process in which a eukaryotic cell separates its chromosomes into the nuclei of two identical cells. Meiosis is the process of cell division of a zygote in a eukaryotic-cellular organism.
What will spindle fibers eventually be used for?
Spindle fibers are used during cell division to help separate chromosomes by attaching to the centromeres and pulling them to opposite poles of the cell. This process ensures that each daughter cell receives the correct number of chromosomes.
What is the law that states that each pair of chromosomes separates on its own in meiosis?
The law that states that each pair of chromosomes separates on its own in meiosis is known as Mendel's Law of Independent Assortment. This principle states that the inheritance of one trait does not affect the inheritance of another trait, as long as they are located on separate chromosomes. As a result, each pair of homologous chromosomes separates independently during meiosis, leading to genetic variation in the offspring.
The phase during mitosis in which DNA separates into pairs of chromosomes is?
The phase during mitosis in which DNA separates into pairs of chromosomes is called prophase. During prophase, the chromosomes condense and become visible as distinct structures before the actual separation occurs during later stages of mitosis.
What happens to the number of chromosomes in mitosis?
During mitosis, the number of chromosomes remains the same. The cell duplicates its chromosomes and then separates them evenly into two daughter cells, each with the same number of chromosomes as the original cell.
What observation is explained by the the law of assortment?
Each pair of chromosomes separates on its own during meiosis.
What is the other name of the reduction division that separates two homologous chromosomes from each other?
Meiosis
The law that states that each pair of chromosomes separates on its own in meiosis is called?
Law of independent assortment
What observations is explained by the law of independent assortments?
Each pair of chromosomes separates on its own during meiosis.
When do chromosomes (DNA) replicate?
mitosis is the process by which the DNA of a cell is copied, so chromosomes replicated throughout the process
