Laboratory Mouse Origins

Question 1

Mus musculus molossinus

Answer 1

Japanese house mouse

natural hybrid of M. m. musculus and M. m. castaneus

Question 2

Laboratory mouse genome composition

Answer 2

M. m. domesticus (60%)
M. m. musculus (30%)
M. m. domesticus (10%)

Question 3

Mus musculus domesticus

Answer 3

indigenous to western Europe and southwest Asia

Question 4

Mus musculs castaneus

Answer 4

indigenous to southeast Asia

Question 5

Mus musculus musculus

Answer 5

indigenous to eastern Europe and southwest Asia