Table of Contents
In what ways does a zygote differ from any other cell in the body?
Zygote has the potential to divide and produce all the cells of the body it is also latger than other cells .
Why would a cell not have a copy of DNA?
Without DNA, cells could not reproduce, which would mean extinction of the species. Normally, the nucleus makes copies of chromosomal DNA, then segments of DNA recombine, and next the chromosomes divide twice, forming four haploid egg or sperm cells.
Why is it important for your cells to regulate the use of specific genes?
Gene regulation is an important part of normal development. Genes are turned on and off in different patterns during development to make a brain cell look and act different from a liver cell or a muscle cell, for example. Gene regulation also allows cells to react quickly to changes in their environments.
Is DNA in every cell?
DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA.
How does the zygote make more cells?
Zygotes divide through a process known as mitosis, in which each cell doubles (one cell becomes two, two becomes four, and so on). This two-week stage is known as the germinal period of development and covers the time of fertilization (also called conception) to the implantation of the blastocyst in the uterus.
Does every cell in the body contain DNA?
Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
Can a person live without DNA?
No, a person cannot live without DNA. DNA provides the body with the instructions to create necessary proteins. DNA is crucial in order to live, without it we would not exist.