Enlarging the focus to include organisms with novel meiotic formats would help to build a holistic view of not only pairing and HR events but also how these processes relate to chromosome ...

Each chromosome pair viewed in a karyotype appears to have its own distinct "bar code" of bands. What changes do scientists look for in a karyotype when diagnosing diseases and disorders?

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.

We often think that the aim of cell division is to separate copied partner chromosomes, but there are strange cases in which chromosomes either have multiple pairing partners or have no partner. The ...

These can be arranged into 23 pairs. Each chromosome in a pair carries the same types of genes. The 23rd pair are the sex chromosomes: In females, the two chromosomes are identical in shape.

The biological sex of a human being is determined by which chromosomes make up that baby's genetic material. Females usually have two X chromosomes, while males tend to have one X and one Y ...

Every person, male or female, has 22 matching pairs of chromosome—one inherited from each parent—but the 23rd pair is different. This unmatched pair, known as the X and Y sex chromosomes ...

among which the sex chromosomes constitute one pair. The X chromosome, comprising roughly 155 million DNA base pairs, makes ...

These manuals come in pairs, with 23 pairs of "chapters," called chromosomes. In each pair, one chromosome comes from your mother and one from your father. For 22 of those pairs, the chapters ...

Interlinking bases hold the two sides together. As A is complementary to T and C is complementary to G they pair up. This is known as the base-pairing rule. A nucleotide consists of 1 phosphate ...