A female mammal causes twins.
No. The term "bull" refers to male cattle which are capable of reproduction. Male cattle which have been castrated are referred to as steers.
A cow will never become a bull because cows are female cattle and bulls are male cattle.
Yak is a proper name
Regardless of gender, cattle have 60 chromosomes.
Cow. A bull is (usually) a mature male bovine, and a cow is a mature female bovine.
Cattle are mammals - they are born alive from their mothers and fed milk, like all other mammals.
No. The term "bull" refers to male cattle which are capable of reproduction. Male cattle which have been castrated are referred to as steers.
That would be a Bull.
A cow will never become a bull because cows are female cattle and bulls are male cattle.
Another bull is the father of a bull. A bull is a male cattle. It is just like asking "What is the father of a man?" The answer is, another man.
The Auroch.
A roan bull and a roan cow can indeed breed to have red and white cattle. This is due to alleles mixing.
A bull is a male cattle. A female cattle is called a cow. So, yes, bulls can only be one gender - male.
Yak is a proper name
Bull calf, heifer calf.
That is what male cattle are, bulls.
bull cattle