Giraffe’s long neck linked to its genetic profile
Influences on embryonic development may explain unusual height, strength of heart
![giraffes](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/05/051616_ti-giraffe-genome_free.jpg?fit=860%2C460&ssl=1)
GIRAFFE GENES Giraffes’ long necks and strong hearts may have resulted from changes to genes that control embryonic development. Pictured is a bachelor group of three adult male Masai giraffes in Tanzania.
D. Cavener