The short-beaked echidna (Tachyglossus aculeatus)  is one of Australia’s most iconic animals. Belonging to a unique group of ...

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 short-beaked echidna (Tachyglossus aculeatus) is one of Australia's most iconic animals. Belonging to a unique group of ...

Created with Sketch. X chromosomes are expressed differently depending on whether you are male or female. Since females have two X chromosomes, one may be expressed, or manifest in the phenotype ...

X inactivation only occurs in cells with multiple X chromosomes, which explains why almost all calico cats are female. X inactivation exists in two different forms: random and imprinted.

The 23rd pair are the sex chromosomes: In females, the two chromosomes are identical in shape. There are two X chromosomes. Females are referred to as XX. In males, one of the chromosomes is a ...

Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. In contrast, meiosis gives rise to four unique daughter cells, each of which has ...

A team of Japanese scientists has discovered the gene that determines the fur color of calico cats, which are characterized ...

Plastic chemicals may harm DNA, as new research reveals how additives disrupt nematode egg formation, suggesting risks to human reproductive health.

Along with cytokinesis (the division of the rest of a cell), mitosis results in a parent cell dividing into two daughter cells ... being is contained within 46 chromosomes, only half of this ...

The stages outlined in the following example show a cell with a diploid chromosome number of four (two sets of two chromosomes) undergoing cell division. The replicated chromosomes are not visible ...

Chromosomal abnormalities can include two basic categories: numerical or structural. A structural abnormality can include an alteration to the structure of the chromosome, as the name suggests.