Life Science: Life's Structure and Function, Book A

Chapter 5: Heredity

Heredity

1.
Which pair of chromosome produces a male offspring?
A)a female Y chromosome and a male Y chromosome
B)a female X chromosome and a male X chromosome
C)a female X chromosome and a male Y chromosome
D)a female Y chromosome and a male X chromosome
2.
Which is a tool that is used to predict genetic crosses?
A)a slide rule
B)a tally sheet
C)a Punnett square
D)a Venn diagram
3.
Which is true of mutations in DNA?
A)All mutations are harmful to an organism.
B)All mutations are beneficial to an organism.
C)A mutation might have no effect on an organism.
D)Mutations have no effect on an organism.
4.
Which process separates chromosomes?
A)meiosis
B)chemosynthesis
C)inheritance
D)pedigree
5.
What influences whether the gene for brightly colored feathers is expressed in a bird?
A)chromosome disorders
B)incomplete dominance
C)external influences
D)internal influences
6.
Which of these is an organism that produces the same traits in every generation?
A)a purebred
B)a hybrid
C)a chromosome
D)a pea plant
7.
Which of these is a trait that is produced by a combination of multiple genes?
A)recessive alleles
B)incomplete dominance
C)DNA
D)polygenic inheritance
8.
___________ studies how traits are inherited through the interactions of alleles.
A)Mitosis
B)Regeneration
C)Genetics
D)Probability
9.
What controls traits in organisms?
A)genes
B)organelles
C)Punnett squares
D)recombinant DNA
10.
__________ is the process Mendel used to pollinate flowers of short plants with pollen from tall plants.
A)Genetics
B)Mitosis
C)Polygenic inheritance
D)Cross-pollination
11.
__________ is the production of a phenotype that is between two homozygous parents.
A)Incomplete dominance
B)A hybrid
C)A sex-linked gene
D)Genetic engineering
12.
Mendel's pea plants were __________ for the tall-dominant trait.
A)variable
B)pedigrees
C)heterozygous
D)homozygous
13.
A person with phenotype A blood has how many possible genotypes?
A)1
B)2
C)6
D)3
14.
Which pair of chromosome produces a female offspring?
A)a female Y chromosome and a male Y chromosome
B)a female X chromosome and a male Y chromosome
C)a female Y chromosome and a male X chromosome
D)a female X chromosome and a male X chromosome
15.
A person with phenotype O blood has how many possible genotypes?
A)2
B)1
C)6
D)3
16.
Which topic in mathematics did Mendel use to help explain heredity?
A)calculus
B)algebra
C)probability
D)geometry
17.
Where are the alleles for each parent written when using a Punnett square?
A)in the top two squares of the grid
B)in the bottom two squares of the grid
C)across the top and along the side of the grid
D)only at the bottom of the grid
18.
Which of these describes how an organism looks?
A)its phenotype
B)its probability
C)its zygosity
D)its hybrid
19.
Which of these describes the allele that causes color blindness?
A)present only in males
B)carried on the X chromosome
C)dominant
D)carried on the Y chromosome
20.
Blood types in humans are an example of traits controlled by __________.
A)pedigree
B)multiple alleles
C)offspring
D)only homozygous parents
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