Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
Denoting the sex that has sex chromosomes that differ in morphology, resulting in two different kinds of gamete, e.g., (in mammals) the male and (in birds) the female.The opposite of homogametic
- ‘However, the sex chromosomes of birds contain a complement of genes different from those on the mammalian sex chromosomes, and the heterogametic sex is the female.’
- ‘Many groups have the familiar XX female, XY male system encountered in most mammals, but others, such as birds and butterflies, have heterogametic ZW females and homogametic ZZ males.’
- ‘Like humans, sand lizard males have heterogametic sex chromosomes.’
- ‘In birds, the female is the heterogametic sex and she has one Z and one W chromosome, whereas the male has two Z chromosomes.’
- ‘In birds, the heterogametic female possesses both genes, while the male possesses only CHD1 - Z.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.