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Explain why a diploid nucleus has homologous chromosomes but a haploid nucleus does not?
A 2n nucleus has a complete set of chromosomes. One set fro the mother and one set from the father equals two sets. A 2n nucleus has homologous chromosomes because it has one paternal homolog and one maternal homolog from the parents. So, an (n) nucleus has half the number of chromosomes and does not have any homologous chromosomes because its 2n nucleus has gone through a reductive division and now only has one set of chromosomes.
What is the phase when there is one set of single stranded chromosomes at each end of the cell?
telophase
How many chromosomes enter the G2 Phase?
Cells in G2 phase have a diploid set of chromosomes, which is twice the number found in gametes (haploid cells). In humans, this means that 46 chromosomes enter G2 phase.
What is one set of structures found in the nucleus made of DNA plus some protein?
The structures in the nucleus that contain DNA are chromosomes. Chromosomes are rod-like structures that are composed of DNA and protein.
What does the letter 'n' stand for in '2n diploid' and 'n haploid'?
The symbol n stands for the number of chromosomes in one set, i.e. in one copy of the genome.A haploid nucleus contains a single set of chromosomes (n), and a diploid nucleus two sets (2n).
Why does a daughter cell need a nucleus and one set of chromosomes?
So that it can survive and carry out its life functions.
What phase is when the cell manufactures a second set of chromosomes?
G1
How many chromosomes are in a shiitake mushroom cell?
There is one set of chromosomes in a shiitake mushroom cell. All of these chromosomes are located within the nucleus of the spore cell of the mushroom.
What phase does the cell manufacture a second set of chromosomes?
The S Phase, with the "S" being synthesis.
What is the diploid number of chromosomes in humans and how is it identified?
The diploid number of chromosomes in humans is 46. This is identified by counting the number of chromosomes in a cell's nucleus, which contains two sets of chromosomes - one set from each parent.
In which phase of the cell cycle does the nucleus divide through a series of steps?
The nucleus divides during the mitotic phase of the cell cycle. This process involves several steps, including prophase, metaphase, anaphase, and telophase. Mitosis ensures that each daughter cell receives a complete set of chromosomes.
Cells that do not have pairs of chromosomes?
Gametes (sex celles) such as egg and sperm only contain one set of chromosomes this is is called a hapliod nucleus. when the 2 meet this forms a full pair of chromosomes and makes a dapliod nucleus.
