Posts Tagged: sperm

A Simpler Way to Choose the Sex of Offspring by Separating X and Y Sperm

A Simpler Way to Choose the Sex of Offspring by Separating X and Y Sperm

Original text by PLOS Biology Differential gene activity by the two sex chromosomes allows X-bearing sperm to be slowed down Both X sperm and Y sperm swim to oocyte for fertilization. The probability to bind and penetrate to oocyte is same; however, under the specific condition, the ration of X sperm and Y sperm to reach to oocyte is changed. Credit: Gerd Altmann from Pixabay A simple, reversible chemical treatment can segregate X-bearing sperm from Y-bearing sperm, allowing dramatic alteration of the normal 50/50 male/female offspring ratio, according to a new study by Masayuki Shimada and colleagues at Hiroshima University, published on August 13 in the open-access journal PLOS Biology…. Read more