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Genetics
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Review for Genetics Test
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
Which of the following terms is represented by word descriptions, such as brown or tall
Allele
Dominance
Phenotype
Genotype
2
An example of a heterozygous genotype is:
pp
PT
Pp
PP
3
A drawing used to trace traits through a family is known as a(n):
Gamete
Pedigree
Allele
Test cross
4
In a pedigree where children have the trait and at least one of their parents do as well, it is
Dominant inheritance
Recessive inheritance
Impossible to have that
Homozyogus inheritance
5
The only way to get a SPECKLED chicken is by:
Codominance
Pleiotropy
Environmental influences
Incomplete dominance
6
Another name for homozyous is pure. Another name for heterozygous is:
Recessive
Dominant
Hybrid
Allele
7
If an organism shows a recessive phenotype, it can be:
only tt
only TT
only Tt
TT or Tt
8
When a new phenotype is blended together between 2 homozygous parents, it is:
Incomplete recessive
Intermediate dominant
Incomplete dominance
Codominant
9
if a genotype is Rr, the __________ trait will be expressed
Autosomal
Dominant
Recessive
Genetic
10
Which of the following is a phenotype?
Hh
B
Spotted
RrJj
11
A(n) _____ is used to determine an unknown parental genotype
inheritance square
Test cross
pedigree
punnett circle
12
Which blood type is the univeral receiver?
AB+
B-
O+
A-
13
In blood types, A person with Type AB blood has the gene(s) of:
IAIA
ii
IAIB
IBi
14
Who is the father of genetics
Gregor Mendel
Charles Darwin
Mr. Cernobyl
Benjamin Franklin
15
The only recessive blood type is:
Type A
Type AB
Type B
Type O
16
In a dihybrid cross, If one parent genotype is RRAA, the alleles would be:
RA, Ra, RR, AA
RR, AA
RA, RA, RA, RA
RrAa
17
Which blood type is the univeral donor?
AB-
B-
A+
O-
18
Which law says each individual has 2 factors for each trait and only one is passed to offspring
Law of independent assortment
Law of Segregation
Law of genetics
Law of dominance
19
A single trait cross is known as:
trihybrid cross
An uno cross
monohybrid cross
dyhybrid cross
20
If a trait skips a generations, what type of inheritance would it be?
Homozygous
Heterozygous
Dominant
Recessive
21
In a pedigree, males are represented by:
Shading in a square
Drawing a circle
Nothing. We don't include them in a pedigree
Drawing a square
22
Which term would be used for an allele that can mask the expression of another?
Locus
Punnett
Recessive
Dominant
23
Genes that have several allelic forms are:
Hybrid
Multiple Alleles
Double Alleles
Test crosses
24
A trait that is controlled by a combination of genes PLUS environmental influences:
Codominant trait
Linkage trait
Phenotypic trait
Multifactorial trait
25
The branch of Biology that studies heredity is known as:
Embryology
Genetics
Botany
Traitology
26
An example of a homozygous genotype would be:
RR
rR
Rr
RW
27
When two or more sets of alleles affect the same trait, it is referred to as:
Polygenic inheritance
A double trait cross
Incomplete dominance
A single trait cross
28
What type of plant did Mendel experiment with?
Pea plants
Sunflowers
Maple trees
Blueberries
29
In a recessive disorder, individuals who have the recessive gene by not the disorder are:
Carriers
Codominant
Sex-linked
Autosomal
30
When an organism has two identical alleles for a trait, we say it is:
Heterozygous
Hybrid
Phenotype
Homozygous