The ____ is the cluster of cells in the center of the zygote that will eventually develop into the baby.
a. Amnion
b. stem cell
c. germ disc
d. placenta
Question 2
Which statement concerning the timing of puberty in males and females is true?
a. The onset of menarche in females typically occurs a few years prior to the typical onset of spermarche in males.
b. The onset of menarche in females typically occurs a few years after to the typical onset of spermarche in males.
c. The onset of menarche in females typically occurs around the same time as the onset of spermarche in males.
d. The onset of menarche in females typically occurs almost a decade after the typical onset of spermarche in males.
Nondisjunction during the formation of haploid cells.
Communication between mating yeast cells.
Epiphyseal Usually occurs through the growth plate where the matrix is undergoing calcification and
Formation of a Zygote
When young infants hold objects for a long period of time they eventually become habituated to them.
Meiosis involves two complete divisional operations forming four potential sex cells.