kinetochore
What will be an ideal response?
a protein structure in the centromere of each sister chromatid that attracts and binds spindle microtubules
during prometaphase
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The movement of alleles from one population to another is called population flow
Indicate whether the statement is true or false
Distances on genetic maps are measured in ____________________ and distances on physical maps are measured in ____________________
Fill in the blank(s) with correct word
A particular flower can be purple, blue, red, or white. A pure-breeding red plant is crossed with a pure-breeding white one, and the F1 are then crossed to produce an F2 generation. Which of the following phenotypic ratios in the F2 indicate that flower color in these plants is controlled by two genes?
A) 2:1 B) 3:1 C) 1:2:1 D) 9:3:4
How does the amount of yolk relate to the nourishment of the organism?
a. An egg with a small amount of yolk contains all of the nutrients for the embryo's development. b. An egg with a large amount of yolk contains all of the nutrients for the embryo's development. c. An egg lacking yolk contains all of the nutrients for the embryo's development. d. There is no relationship between the amount of yolk and the nourishment of the organism. e. All animals have the same amount of yolk and provide the same amount of nourishment.