Try to break it down into small parts and do your best to put it together.
Deoxyribonucleic acid (DNA) is the hereditary material that lies within the nucleus of all cells in humans and other living organisms. Most of the DNA is placed within the nucleus and is called nuclear DNA.
A chromosome is made up of two chromatids which are joined by the centromere. The chromatids separate from each other during mitosis to form two new chromosomes. The DNA making up a chromosome is dispersed as chromatin.
Under a microscope, chromatids look like little dots and chromosomes are lines.
The answer is true. Mammals during pregnancy can have one or more gestations at the same time, the time pause of a gestation is called the gestation period. Gestation is the carrying of an embryo or fetus inside viviparous animals. It is typical for mammals, but also occurs for some non-mammals.
