When the sperm meets the egg during sexual reproduction, a zygote is formed. this single-cell zygote is the first step of a much more complex multi-cellular organism. which statement describes the process the zygote undergoes immediately after fertilization? a) the zygote grows larger and begins to form new features. b) cells begin to differentiate and form only the internal organs. c) cells begins to differentiate to form a covering and internal organs. d) the zygote undergoes mitosis to create general, non-specialized cells.

Indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. chinchilla x chinchilla 1/2 agouti, 1/2 chinchilla 3/4 agouti, 1/4 chinchilla all chinchilla

In general, did the simulated mice align with your predictions from the punnett squares? yes or no?

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !