What is the end result of crossing-over during the first stage of meiosis? the chromatids contain the maternal DNA only
the paternal DNA only is copied onto the chromatids
the chromatids become non-sister (non-identical) chromatids
the chromatids are identical to each other

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

The smallest parts of these that retain their original properties are called

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar