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Author Quiz
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1

The expression of a gene is called
A)probability.
B)phenotype.
C)genotype.
D)pleiotropy.
2

A homozygous recessive genotype is
A)aa.
B)Aa.
C)AA.
D)AaBb.
3

In humans, normal skin dominates albino skin; a cross between two albino people results in
A)two normal:two albino.
B)all normal.
C)all albino.
D)three albino:one normal.
4

Different forms of the same gene are referred to as
A)loci.
B)alleles.
C)homozygotes.
D)hybrids.
5

In the genotype Aabb
A)A is a dominant allele.
B)a and b are alleles of each other.
C)A and b are at the same locus.
D)A and a are dominant genes.
6

A gene that can be masked by another gene is called
A)pleiotropy.
B)dominant.
C)incompletely dominant.
D)recessive.
7

In the field of genetic engineering, the acronym GM stands for
A)General Motors
B)Genetically modified
C)Genetic method
D)Genetic material
8

Which of the following represents the sex chromosomes of a typical human female?
A)XY
B)XXX
C)XO
D)XX
9

The Y chromosome is carried in the
A)egg.
B)egg or sperm.
C)polar body.
D)sperm.
10

Using this bioengineering technique it is possible to show the nucleotide sequence differences among individuals since no two people have the same nucleotide sequences.
A)Genetic finger printing
B)PCR
C)GM
D)Genetic recombination





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