Table 1: Chromosome Counts in the Somatic Cells of Several Type A and Type B Species As illustrated in Table 1, the somatic cells from Type A males had one less chromosome than the somatic cells ...

In particular, it explains that humans have one fewer chromosome pair in their cells than apes, due to a mutation found in chromosome number 2 that caused two chromosomes to fuse into one.

The X and Y chromosomes, commonly referred to as the sex chromosomes, are one such pair. They determine the biological sex, reproductive organs, and sexual characteristics that develop in a person.

Figure 1 shows an idiogram for chromosome ... can be obtained if staining is done while the chromosomes are in prometaphase and are less condensed. At this higher level of resolution ...

Women are born with two X chromosomes and inherit one from each parent. But in every cell of their body, just one X ...

Women are born with two X chromosomes and inherit one from each parent. But in every cell of their body, just one X chromosome is needed – so the other is randomly inactivated. Some cells use only a ...