Rowell Biology - CH 11 Quiz

Why do we need meiosis?

• To double the number of chromosomes going into sex cells
• To halve the number of chromosomes going into sex cells
• To triple the number of chromosomes going into sex cells
• To not change the number of chromosomes going into sex cells

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NGSS.HS-LS3-2

Unlike mitosis, meiosis in male mammals results in the formation of

• one haploid gamete
• three diploid gametes
• four diploid gametes
• four haploid gametes

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NGSS.HS-LS3-2

Human eggs and sperm are _____, and each has ____ chromosomes.

• diploid, 23
• diploid, 46
• haploid, 23
• haploid, 46

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NGSS.HS-LS3-2

NGSS.HS-LS3-1

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

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NGSS.HS-LS3-2

This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?

• segregation of sister chromatids
• condensation and segregation of alleles
• mutationin which the DNA content of the gene is altered
• crossing - over in which alleles are exchanged

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NGSS.HS-LS3-2

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

• Genesis
• Elective traits
• Alleles
• Quadrants

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NGSS.MS-LS4-4

The cells produced via meiosis are called:

• sex cells
• somatic cells
• body cells
• skin cells

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NGSS.HS-LS3-2

How did Gregor Mendel cross-pollinate plants?

• He used only one plant and spread pollen on the same plant.
• He used two plants and spread pollen from one flower to another.
• He used two plants and got their pollen and spread the flowers pollen on itself.
• He didn't figure out how to cross pollinate.

What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits
• Physiotrait
• Genotype 2
• Phenotype

How are your chromosomes inherited?

• most of your chromosomes from your mother
• most of your chromosomes from your father
• a random number of chromosomes from each parent
• half your chromosomes from your mother and half from your father.

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NGSS.HS-LS3-1