The T allele codes for tall stems in pea plants and the tallele codes for short stems. Which of the following are possible genotypes for the offspring from a cross of Tt x tt?
a TT and tt
b. Tt
C. TT and Tt
d. Tt and tt

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

_is a product of the first stage of photosynthesis.atpglucosecarbon dioxidewater

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