The development of cauliflower and broccoli from wild cabbage is partly explained by
A.
a mutation in a flower development gene that was artificially selected by humans.
B.
a mutation in a leaf development gene that evolved by natural selection.
C.
homoplastic convergence of two plant lineages.
D.
gene duplication and divergence, leading to novel functions.
E.
a mutation in a Hox gene that was artificially selected by humans.
A.
a mutation in a flower development gene that was artificially selected by humans.
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Phytochromes are pigment proteins that allow plants to detect light
Indicate whether the statement is true or false.
Which tissue type produces melanin?
A. epithelial B. connective C. muscle D. nervous E. endocrine
You observe a pine with two distinctly different types of cones. The best explanation for this is
A. the tree was produced by grafting. B. a mutation has occurred in this plant. C. one cone is the male reproductive structure and the other is the female reproductive structure. D. one cone is a gametophyte and the other is a sporophyte.
Match the molluscan body part to its function.
A. visceral mass B. foot C. mantle D. mantle cavity