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When the cell copies its DNA in order to have full sets of chromosome is what phase?
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What do homologous chromosomes form in pro-phase 1?
Homologous chromosomes in pro-phase 1 arrange themselves as tetrads. A tetrad is a set of four copies of a chromosome--the two original pairs, and the two copies the cell has made.
What phase is when the cell grows and copies?
interphase
What phase is the chromosome are located at the equator of the cell?
Metaphase
How many copies of each chromosome would you find in a skin cell?
2
Tell me what a replicated Chromosome?
Before a cell can divide, it must produce a new copy of each of its chromosomes, and it does this during a specific part of interphase called the DNA-synthesis phase, or S phase, of the cell-division cycle; the part of interphase preceding S phase is called Gap 1, or G1, and the part following S phase is called Gap 2, or G2. In a typical higher eucaryotic cell the S phase lasts for about 8 hours. By its end each chromosome has been replicated to produce two complete copies, which remain joined together at their centromeres until the M phase that soon follows. Chromosome duplication requires both the replication of the long DNA molecule in each chromosome and the assembly of a new set of chromosomal proteins onto the DNA to form chromatin. (copied chromosome)
Trisomy is a mutation that results in a cell having an extra?
A trisomy is a condition in which a person has three copies of a chromosome instead of the usual two copies. A person can have full trisomy (three copies in every cell) or mosaic trisomy (three copies in some cells but not all).
What do homologous chromosomes form in pro-phase 1?
Homologous chromosomes in pro-phase 1 arrange themselves as tetrads. A tetrad is a set of four copies of a chromosome--the two original pairs, and the two copies the cell has made.
What phase is when the cell grows and copies?
interphase
What is a Cell that has two copies of each chromosone called?
A cell with two copies of each chromosome is called a diploid cell. A cell with one copy is called a haploid cell.
What caused anomaly when one daughter cells gets two copies of a chromosome?
The process by which a daughter cell accidentally get two copies of a chromosome is called "nondisjuction".
Phase of cell cycle when the organelles and chromosome replicate?
Interphase
What phase is the chromosome are located at the equator of the cell?
Metaphase
Which type of eukaryotic cell contains two types of each chromosome?
A cell with two copies of each chromosome is called a diploid cell. A cell with one copy is called a haploid cell.
What happens during S phase of the cell cycle?
This is the phase in which DNA is replicated.
How many copies of each chromosome would you find in a skin cell?
2
Cell with one of each kind of chromosome?
a cell that has one copy of each chromosome is a haploid cell. Cells with 2 copies are known as diploid cells
Tell me what a replicated Chromosome?
Before a cell can divide, it must produce a new copy of each of its chromosomes, and it does this during a specific part of interphase called the DNA-synthesis phase, or S phase, of the cell-division cycle; the part of interphase preceding S phase is called Gap 1, or G1, and the part following S phase is called Gap 2, or G2. In a typical higher eucaryotic cell the S phase lasts for about 8 hours. By its end each chromosome has been replicated to produce two complete copies, which remain joined together at their centromeres until the M phase that soon follows. Chromosome duplication requires both the replication of the long DNA molecule in each chromosome and the assembly of a new set of chromosomal proteins onto the DNA to form chromatin. (copied chromosome)
