Which statistic represents the greatest magnitude of correlation?

The methodology for demonstrating that kittens raised in a purely vertically

striped environment had lasting physiological effects involved (a) imprinting (b) recording the electrical events in single cells in the visual cortex (c) seeing if the kittens would adapt faster to horizontal than vertical stripes (d) ethological investigations

Every time meiosis happens in one cell, ____ new cells will be produced, each with half of the chromosomes of the original cell

a. 2 b. 4 c. 8 d. 16