"If you're a tall college grad from an ethnic minority background, your sperm is particularly prized. According to California Cryobank, Japanese and African-American donors are incredibly rare in the US and are eagerly sought-after as potential donors."
https://broadly.vice.com/en_us/article/3dx9nj/women-are-now-pillaging-sperm-banks-for-viking-babies
https://broadly.vice.com/en_us/article/3dx9nj/women-are-now-pillaging-sperm-banks-for-viking-babies