BI-1540
Genetic crosses and ratios
Biology · Secondary 4 · Medium · Genetic crosses and ratios
In a monohybrid cross, allele (black fur) is dominant over allele (white fur). A heterozygous black mouse is crossed with a white mouse. What is the expected ratio of black to white offspring?
- 1 black : 1 white
- 3 black : 1 white
- 1 black : 3 white
- all black
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