6 mice with black fur, 2 mice with white fur
This result would confirm that the mouse with black fur was heterozygous, as it would be expected to produce both black and white fur offspring if it carried a recessive white fur gene.
Next, you perform a cross with a mouse with black fur and a mouse with white fur. Which result(s) for the offspring would confirm that the mouse with black fur was heterozygous?
4 mice with black fur
8 mice with black fur, 1 mouse with white fur
5 mice with black fur, 6 mice with white fur
6 mice with black fur, 2 mice with white fur
1 answer