It's so fustrating because most the questions i need answered arent one here .

1. which dynasty was in power during islam’s golden age?

abbasid
umayyad
persian
byzantine

2. what brought an end to islam’s golden age?

muhammad’s death
justinian’s rule
the umayyad dynasty
the mongol invasion

In guinea pigs, black fur (b) is dominant over white fur (b). cross a heterozygous (hybrid) black guinea pig with a homozygous (purebred) white guinea pig. complete a punnett square, identify the genotype(s), phenotype(s), and probability (% and fraction) that the offspring will be black and white?