A geneticist examines a somatic cell from a fly during metap…

A geneticist examines a somatic cell from a fly during metaphase of mitosis and determines that 16 chromatids are present.  If a germ-line cell from this species divides by meiosis, then at the end of meiosis I (including the first cytokinesis) each cell will contain

In humans, the male has an X and a Y sex chromosome. The hum…

In humans, the male has an X and a Y sex chromosome. The human female has two X chromosomes. In snakes, the female has a Z and a W sex chromosome while the male has two Z chromosomes. Which of the following statements is accurate about which parent determines the sex of the offspring based on inheritance of the necessary sex chromosome?

Suppose a new species of bacterium is discovered.  It contai…

Suppose a new species of bacterium is discovered.  It contains a form of DNA pol III that can add new nucleotides to either the 5′ end or the 3′ end of an existing strand.  All other properties of the enzyme remain unchanged.  How would DNA replication in these bacteria differ from normal replication?