When two parents heterozygous for genes for curly hair are crossed, what percent of their offspring would have curly hair? What percent would have straight hair?

Anybody who knows ap biology, can you friend or message me

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%