Also, because the chromatids are stuck together after replicating, it is also reasonable to say that there are 46 pairs of chromatids (or chromosomes) at the end of S phase. If the cell goes through mitosis (normal cell division) those 46 pairs will separate and the two daughter cells will have 46 chromosomes.
Estimates of the survival of infants and children in a persistent vegetative state, based on the clinical experience of pediatric neurologists, were published recently10. These estimates range from 4.1 Â±0.7 years, for infants up to 2 months of age, to 7.4 Â±1.8 years, for children 7 to 18 years old.
To maintain vegetative growth, use 18-24 hours of light; six hours of darkness or less. To promote flowering, alternate 12 hours of light with 12 hours of darkness. When switching light cycles from vegetative to flowering, first give plants 36 hours of darkness. To harvest outdoor plants early, cut the time light reaches the plants to 12 hours each day.