Genetic Vocabulary Question Preview (ID: 57790)


Basic Vocabulary For A Beginner Genetics Unit. TEACHERS: click here for quick copy question ID numbers.

If dimples are dominant, which genotype will not produce dimples?
a) DD
b) Dd
c) dD
d) dd

If a widow's peak is dominant and a straight hairline is recessive, what would the genotype Ww produce?
a) A widow's peak
b) Half a widow's peak
c) A straight hairline
d) Baldness

Albinism is a condition where pigment is lacking in the skin making the skin extremely light. Normal skin pigmentation is the dominant trait. What is the genotype with a person with albinism?
a) AA
b) aa
c) Aa
d) a

Which of the following is not a phenotype?
a) Ee
b) Homozygous
c) ee
d) None- all of these are referring to genotype

A parent 1 is purple and parent 2 is white. If white is recessive, what could the genotypes of the parents be?
a) Parent 1- Ee and Parent 2-EE
b) Parent 1-Ee and Parent 2-ee
c) Parent 1-EE and Parent 2 Ee
d) Parent 1 ee and Parent 2 EE

How many alleles does it take to make up a genotype
a) 1
b) 2
c) 3
d) 4

Alternative versions of a gene are known as-
a) chromosomes
b) alleles
c) binary fission
d) nucleotides

Galactosemia is a disorder where humans cannot digest galactose and is a recessive trait. Which genotype below would indicate someone who is homozygous for the trait and can digest galactose?
a) aa
b) Aa
c) AA
d) AA and Aa

Wet earwax is the result of a dominant allele and dry earwax is the result of a recessive allele. What is the genotype of an individual who has wet ear wax and is heterozygous?
a) EE
b) ee
c) Ee
d) E

An allele combination composed of a capital letter and a lowercase letter is known as-
a) Homozygous recessive
b) Homozygous dominant
c) Heterozygous
d) Hemizygous

An allele combination composed of 2 lowercase letters is known as-
a) Heterozygous
b) Homozygous recessive
c) Homozygous dominant
d) Hemizygous

Nn is an example of a _______________ genotype.
a) Homozygous dominant
b) Homozygous recessive
c) Heterozygous
d) Hemizygous

rr is an example of a _______________ genotype.
a) Homozygous dominant
b) Homozygous recessive
c) Heterozygous
d) Hemizygous

GG is an example of a _______________ genotype.
a) Homozygous dominant
b) Homozygous recessive
c) Heterozygous
d) Hemizygous

The allele combination such as Hh or HH is known as a-
a) Pedigree
b) Phenotype
c) Genotype
d) Heredity

Blue eyes is a physical characteristic and is known as a-
a) Phenotype
b) Genotype
c) Alleles
d) Heterozygous

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