The variation of kernel color in corn plants is an inherited trait. r is the dominant allele for red kernels in a corn plant and r is the recessive allele for yellow kernels. what is the probability that a corn plant with the genotype rr crossed with a corn plant rr will have offspring with the genotype rr? express your answer as a fraction using numerals for numbers and / for the fraction bar. do not include spaces.

Calvin ate a candy bar, which caused his body's blood glucose levels to become unbalanced. his body responded by initiating a feedback mechanism to return his body to homeostasis. place the steps of this feedback mechanism in order, starting with the blood glucose imbalance that occurred after calvin consumed the candy bar. a) calvin's blood glucose levels decreased. b) calvin's pancreas stopped secreting insulin. c) calvin's body cells started to take up glucose and store it as glycogen. d) calvin's blood glucose levels increased. e) calvin's pancreas started secreting insulin.

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.

How does photosynthesis show the conservation of mass and energy?