Homologous chromosomes differ from sister chromatids because? A.) homologous chromosomes are identical copes, while sister chromatids are only similar in gene location B.) homologous chromosomes are formed after replication, while sister chromatids exist prior to S phase of interphase D.) sister chromatids are identical copies, while homologous chromosomes may differ in the allele present . C.) sister chromatids cannot be separated from one another, while homologous chromosomes can

satellites are frequently used to make observations of the orbit on earth

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u