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 little clump of cells looked almost like a human embryo. Created from stem cells, without eggs, sperm, or a womb, the ...

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 ...

Each cell with a nucleus contains chromosomes, which are made from DNA Human body cells each contain 23 pairs of chromosomes, half of which are from each parent. So, human gametes (eggs and sperm ...

What do a human, a rose, and a bacterium have in common ... researchers James Watson and Francis Crick were pursuing a definitive model for the stable structure of DNA inside cell nuclei.

Get the latest human interest news and features from PEOPLE.com, including breaking news about real people. Surfer Bethany Hamilton Asks Followers for Help After Nephew Drowned but ‘Still Has a ...

For the single-sequence paper, researchers sequenced the Y chromosome of a single individual of European descent, known as the HG002 genome. All human genomes share 99.9% of the same base pairs ...

The “Y” chromosome is what biologically separates male from female in our species. However, a new study has found that it is changing and it could have massive implications for our species.

This discovery offers hope for human survival as our own Y chromosome faces potential extinction in the coming millions of ...

2013;13(6):601-611. In other situations, normal microarray analysis in the presence of an abnormal karyotype, such as marker chromosomes, is reassuring, as it indicates that the marker is lacking ...

for sCR1 abrogated the binding of C3 fragments to human sperm and fully protected sperm from C5b-9-mediated sperm immobilization. Moreover, CR1 inhibited ASA- and complement-mediated neutrophil ...