A microscopic piece of genetic material known as the Y chromosome made headlines last week. It is nothing new or rare; every man has one in practically every cell, or he would not be a man.

Many explanations have been put forward: men take more risks or smoke more, oestrogen is protective against health conditions, two X chromosomes are better than one… the list goes on.

Although genetics are hereditary, a phenomenon in genetic alterations occurs when male babies receive an extra Y chromosome in each of their cells, resulting in an XYY combination. The syndrome is ...

It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and ...

Down syndrome is caused by the presence of a third copy of the 21st chromosome. The condition occurs in approximately 1 in 700 live births and is relatively easy to diagnose at early stages of ...

Get Instant Summarized Text (Gist) The completion of the final synthetic chromosome in the yeast genome marks a significant advancement in synthetic biology. This achievement enables the creation ...

A structural abnormality can include an alteration to the structure of the chromosome, as the name suggests. However, a numerical abnormality means that an individual is either missing one of the ...

Scientists have discovered a new property of the molecular motors that shape our chromosomes. While six years ago they found that these so-called SMC motor proteins make long loops in our DNA ...

Sex chromosomes are chromosomes, or packages of DNA, that are found inside the nucleus of all of your cells. There are two different kinds: X and Y, which determine whether you’re biologically ...

Some people with DSDs are raised as female but may have sex chromosomes other than XX, or elevated testosterone levels, according to the NIH. People with Swyer syndrome, according to the National ...