What happens in a photic part of a body of water? A. The water is stagnant.
B. Plants grow using photosynthesis.
O C. No plants can grow.
O D. Water flows in and out quickly.

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?