Glencoe Science Level Green

Chapter 11: Heredity

Heredity

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