Beans
(colors) Parental Generation 1st Generation 2nd Generation
Begin Eaten Survived Begin Eaten Survived Begin Eaten Survived
White 50 30 20 80 68 12 48 42 6
Red 50 35 15 60 45 15 60 50 10
Black 50 28 22 88 72 16 64 48 16
Tan
speckled 50 10 40 160 50 110 440 142 298
Red
striped 50 5 45 180 60 120 480 135 345
How does natural selection change the frequency of genes or traits over many generations? Biology students conducted an experiment mimicking genetic variation and coloration. Students used different colored beans to represent animals that might be prey: mice, for example. A student in each group was the predator: a hawk. Beans (mice) were randomly scattered on multicolored floor tiles, each color within four tiles. The hawk collected mice (beans) for 10 seconds. Mice not eaten reproduced. Three generations of data a shown in the table.
All BUT ONE could be a reason for the color variation in the mice. That is
Responses
A meiosis.meiosis.
B mutations.mutations.
C genetic variation.genetic variation.
D asexual reproduction.
1 answer