An organism, Jimsonweed, a common plant in New Jersey, has 12 chromosomes in its body cells. How many chromosomes will an egg cell of this plant have? * A. 6 chromosomes
B. 12 chromosomes
C. 18 chromosomes
D. 24 chromosomes

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Immature bone cells, or osteoblasts, manufacture a protein called osteoid as well as several hormones. because of this, we would expect osteoblasts to contain numerous a) nuclei. b) ribosomes. c) lysosomes. d) golgi bodies.

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.