What is the low end of the normal range of a human gestation, when dating a pregnancy from the last menstrual period (LMP)?

Which of the following is not a product of the second stage of glycosis

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

What are the student's observations and inferences before he starts his investigation?