Intercross and Sign on

Intercross noun - An offspring of parents with different genes especially when of different races, breeds, species, or genera.

Sign on and intercross are semantically related. In some cases you can use "Sign on" instead a verb "Intercross".

Sign on verb - Engage by written agreement.

Intercross and sign on are semantically related. Sometimes you can use "Intercross" instead a verb "Sign on".