BSCS Biology: A Molecular Approach

Chapter 14: Other Forms of Inheritance

Chapter Test

1.
Future scientific explanations are likely to be ____.
A)consistent with earlier scientific experimental evidence
B)inconsistent with earlier scientific explanations
C)inconsistent in areas such as genetics, but consistent in more experimental areas such as physics
D)consistent in areas such as genetics, but inconsistent in more experimental areas such as physics
2.
What can block an RNA polymerase from the genes to be transcribed?
A)a promoter
B)a repressor
C)an operon
D)a transcription factor
3.
If a trait is far more common in males than in females, it likely follows which pattern of inheritance?
A)simple recessive
B)X-linked dominant
C)simple dominant
D)X-linked recessive
4.
Mitochondrial DNA is inherited from ____.
A)the father only
B)the mother only
C)both the mother and father
D)either the mother or the father
5.
Genomic imprinting ____.
A)increases genetic variation
B)decreases genetic variation
C)increases mutations
D)decreases sex-linked diseases
6.
If BbEE produces a black-coated Labrador retriever, bbEE produces a brown-coated retriever, and Bbee produces a retriever with little color pigment in its fur, then ____.
A)B is epistatic to e
B)E is epistatic to B
C)B/b is epistatic to E/e
D)E/e is epistatic to B/b
7.
How is the nitrogenous base of DNA methylated?
A)by the addition of a CH3
B)by the removal of an NH3
C)by the addition of an NH3
D)by the removal of a CH3
8.
Which of the following is not a normal inheritance mechanism?
A)imprinting
B)cytoplasmic inheritance
C)genetic anticipation
D)epistasis
9.
What was Barbara McClintock's hypothesis related to pigments in corn kernels?
A)that transposable elements move in and out of genes involved in pigment production
B)that transposable elements move from one nucleotide to another during pigment production
C)that trinucleotides repeat causing instability in pigment production
D)that mtDNA are encoded by different nuclear genes to produce pigment variations
10.
What carries antibiotic-resistant genes between a bacterial cell's chromosomes and plasmids?
A)a trinucleotide repeater
B)a retrotransposon
C)a transposon
D)a response element
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