Download Honors Biology: Genetics Quiz 1

Honors Biology: Genetics Quiz 1
_____8. Alternate forms of a gene having the same position on
a pair of chromosomes and affecting the same trait
are called ______.
A) phenotypes
B) alleles
C) DNA
D) mutations
E) genotypes
_____9. A capital letter indicates a/an ______ allele.
A) inferior
B) dominant
C) superior
D) recessive
E) mutant
_____10. A recessive allele is expressed if there is no dominant
allele present.
A) True
B) False
_____11. ______ means that the two members of the allele pair
are the same.
A) Homozygous
B) Heterozygous
C) Codominant
D) Dominant
E) Recessive
_____12. ______ means that the alleles in the genotype are different.
A) Recessive
B) Homozygous
C) Allelopathic
D) Codominant
E) Heterozygous
_____13. The physical characteristic of the individual is called the
phenotype.
A) True
B) False
_____14. The members of each allele pair separate during _________.
A) meiosis
B) mitosis
C) either meiosis or mitosis
D) fertilization
E) hybridization
_____15. The members of each allele pair come together
(one from each parent) during _________.
A) meiosis
B) mitosis
C) either meiosis or mitosis
D) fertilization
E) hybridization
_____16. If a child has a dominant characteristic, neither parent has
to have the characteristic.
A)
True
B)
False
_____ 17. What is the correct sequence for trait expression?
A) RNA  DNA  Trait  Protein
B) RNA  Protein  Trait  DNA
C) Trait  Protein  RNA  DNA
D) DNA  RNA  Protein  Trait
_____ 18. In sheep, white fur is dominant to black fur. If two white sheep produce a
black offspring, the parent’s genotypes for color must be:
A) Heterozygous.
B) Homozygous white.
C) Homozygous black.
D) White
_____19. Different versions of a gene are called _____ and are ____________.
A) Alleles; segregated from each parent
B) Alleles; independently sorted
C) Alleles; dominant/recessive
D) All of the above
_____20. The ____ refers to the allele combinations for particular genes while the ____
is the expression of that allele combination.
A) phenotype; karyotype
B) phenotype; genotype
C) genotype; phenotype
D) genotype; karyotype