Differentiate homologous chromosomes and sister chromatids

Homologous chromosomes are a couple of one maternal and one paternal chromosome, paired up during fertilization in a diploid cell. Two copies of one chromosome, linked together in the centromere are called sister chromatids. ... Each sister chromatid is composed of one DNA molecule.

the form of energy changes and the total energy increases0l

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).