Crossing over is one of the most important

events in meiosis because



a. it produces new combinations of alleles on
chromosomes.
b. separation of homologous chromosomes
occurs.
c. separation of sister chromatids occurs.
d. it results in the production of haploid
gametes.
e. it aligns homologous chromosomes at the
center of the cell so that they can be
separated in anaphase II


A

Biology & Microbiology

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Answer the question using the accompanying figure. Mitosis is occurring in step(s) ____

a. 7 only b. 8 only c. 10 only d. 7 and 8

e. 7, 8, and 10

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What will be an ideal response?

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A candy bar contains 108 calories per serving. There are 4 grams of carbohydrate, 5 grams of protein, and 8 grams of fat in a serving. How many of the calories come from fat? Note: One food calorie equals one kilocalorie.

A. 72 B. 16 C. 18 D. 20

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