3. Use the Punnett square below to show the segregation of human sx chromosomes in the formation of gametes. Fill in the square showing all possible crosses. Give the phenotype (sx) of the offspring. Sx: Sx: Sx: Sx: 4. A mating of a pair of fruit flies produces 300 offspring. Approximately how many males an how many females will there be in this group?

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

The first amino acid of a new polypeptide chain is

Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.