Which type of development occurs in humans? Internal development or External development? Explain your answer.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Most enzyme names end in the

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?