In the following lesson students describe the functional differences of X and Y chromosomes, and explain the significance of these differences within the human genome.

This resource presents a detailed discussion and explanation of the Y-chromosome and how it determines the male sex.

This animation explains how Nettie Stevens research on meal worms unlocked the chromosomal basis of gender.

Find out about the chromosomal basis of sex determination, X and Y chromosomes, and X-linkage.

Scientists from the University of Arizona are conducting Y chromosome research on native Siberians to try to determine whether there is a genetic affinity to North American native people. The rationale and direction of this research are...

This brief article summarizes possible relationship between the development of trisomy 15 in the bone marrow cells of elderly patients with a hemotological malignancy.

Understand DNA sequences and the Y chromosome. Solve a genealogical puzzle using the power of reasoning and understanding of DNA, and complete the a male family tree using DNA information from the Y chromosome of three fictitious...

In this science project, you will investigate the secrets of your distant past as revealed by your DNA. In order to obtain a sample for DNA analysis, you will scrape a soft swab inside your mouth to collect cheek cells. Based on the...

[Free Registration/Login may be required to access all resource tools.] What determines if a baby is a male or female? Recall that you have 23 pairs of chromosomes-and one of those pairs is the sex chromosomes. Everyone has two sex...

[Free Registration/Login may be required to access all resource tools.] Some human genetic disorders are also X-linked or Y-linked, which means the faulty gene is carried on these sex chromosomes. Other genetic disorders are carried on...

This resource will explore sex-linked genes which are a form of genetic linkage that depends on the X and Y sex chromosomes.