In hamsters the allele for a brown coat color (B) is dominant over the allele for a tan coat color (b). If a tan hamster is crossed with a heterozygous brown hamster, which of the following genotypic ratios can be expected

50% brown and 50% tan

2/4 brown and 2/4 tan

Explanation:

the brown parent is: Bb

the tan parent is bb

when crossed the out come will be: Bb, bb, Bb, bb

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.