Glencoe Biology

Chapter 10: Sexual Reproduction and Genetics

Standardized Test Practice-English

1
DNA replication takes place ____ during meiosis.
A)once
B)twice
C)four times
D)six times
2
Sex cells containing half the total number of chromosomes are called?
A)chromosomes
B)diploid cells
C)gametes
D)phenotypes
3
Which of the following is not true of meiosis?
A)involves DNA replication
B)provides genetic variation
C)occurs in reproductive cells
D)prevents genetic variation
4
What does this figure depict?

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A)the anaphase I stage of meiosis
B)a pair of homologous chromosomes in prophase I
C)two zygotes
D)a single chromatid
5
What process is shown here?

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A)interphase
B)zygote formation
C)exchange of chromosomal segments
D)asexual reproduction
6
During anaphase I, ____ separate.
A)homologous chromosomes
B)zygotes
C)diploid parent cells
D)phenotypes
7
What happens during metaphase I of meiosis?
A)sister chromatids split
B)haploid number of chromosomes line up at the cell's equator
C)DNA replication occurs
D)interphase occurs
8
A (an) ____ is an alternative form of a single gene passed from generation to generation.
A)hybrid
B)phenotype
C)allele
D)zygote
9
An organism with two different alleles for a particular trait is ____.
A)incapable of reproduction
B)homozygous
C)heterozygous and homozygous
D)heterozygous
10
____ are heterozygous for two different traits.
A)Dihybrids
B)Monohybrids
C)Alleles
D)Recessive genes
11
What does this figure represent?

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A)meiosis II
B)allele combinations in a Punnett square
C)phenotypes in a Punnett square
D)Mendel's law of segregation
12
What conclusion can be made from this figure?

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A)alleles are not allowed to combine
B)random assortment results in eight possible gametes
C)random assortment results in four possible gametes
D)gametes are not allowed to form
13
What condition results from the occurrence of one or more extra sets of chromosomes?
A)genetic recombination
B)monohybrid cross
C)meiosis
D)polyploidy
14
This chromosome map of a fruit fly represents ____.

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A)a single X chromosome
B)y, w, and v chromosomes
C)a series of X and Y chromosomes
D)multiple Y chromosomes
15
What is produced by the crossing over and independent assortment of genes?
A)X chromosomes
B)genetic recombination
C)Y chromosomes
D)alleles
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