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Chapter 9, 12 +13 Flashcards | StudBud
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Chapter 9, 12 +13
Chapter 9, 12 +13
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StudBud Administration
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Genetics and Biotechnology
Flashcards
30 cards
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Practice quiz
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Host live
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Questions
30
Answers
1
5. A flower shows incomplete dominance. Crossing a red with a white one results in
all white flowers
all pink flowers
red and white striped flowers
all red flowers
2
10. The type of cross needed to study two traits each with two alleles is a ____ cross
polyhybrid
trihybrid
monohybrid
dihybrid
3
22. In polygenic traits if one gene overrides the expression of other ones this is known as
epigenetics
epistasis
epiphyte
epidermis
4
26. Which of the following can GMOs be used to create?
larger fruits
more milk from cows
all of the above
increased yield of corn
5
6. The physical appearance is the ___ and the genetic makeup is the ___
genotype; phenotype
phenotype; genotype
phenotype; karyotype
karyotype; genotype
6
12. traits controlled by one gene with more than two alleles are called _____.
multiple alleles
polygenic
codominance
incomplete dominance
7
1. Forms of a gene are called
genotypes
phenotypes
chromosomes
alleles
8
28. When the environment influences when a gene is turned on or off it is known as
epigenetics
artificial selection
therapeutic cloning
embryogenesis
9
13. A change in a gene is known as a _____.
transformation
duplication
mutation
extraction
10
2. What is the term used to describe a letter combination like DD?
homozygous dominant
heterozygous recessive
homozygous recessive
homozygous recessive
11
25. Inserting a gene from one organism into another is known as
stem cell formation
genetic engineering
selective breeding
cloning
12
30. DNA that contains genetic material from two or more organisms is called
replicated
reconstituted
reassorted
recombinant
13
19. A person with type AB blood could donate to
only someone with type O blood
Someone with type A or B blood
only someone with type AB blood
all four blood types
14
24. Bacteria can be used to clone genes for
human insulin
red blood cell production
increasing height
human liver cells
15
20. The pattern of inheritance with 2 phenotypes and 3 genotypes is
incomplete dominance
codominance
complete dominance
multiple alleles
16
17. The number of times an event happens divided by how many times it could happen is
probability
accuracy
statistics
replication
17
27. A technique that allows us to identify people and other organisms from a small DNA sample is called
CRISPR
DNA retinal scanning
DNA fingerprinting
gene therapy
18
16. The alleles possible for human blood type are
IA, IB and IO
IA, IB and io
IA, IB, and i
IA, IB, Ia and Ib
19
18. In the complete dominance pattern a flower with the genotype Rr would be
red
purple
red and white striped
pink
20
7. Which pattern of inheritance results in two dominant traits showing equally in offspring?
multiple alleles
complete dominance
polygenic
codominance
21
9. The inheritance pattern that results in a blending of phenotypes in offspring is
complete dominance
incomplete dominance
codomiance
sex-linked
22
14. A trait that is controlled by three or more genes is called
polygenic
multiple allele
sex-linked
codominant
23
11. Which law states that gametes only receive one copy of allele from each parent?
superposition
probability
segregation
independent assortment
24
15. When Mendel crossed two purple flowers in his second generation the offspring were
all purple
all white
mostly purple but some white
mostly white but some purple
25
8. Which is true regarding sex-linked inheritance?
males inherit recessive traits more
females inherit recessive traits more
females only get traits from their mother
only males can be carriers of the trait
26
3. When Mendel crossed pure purple with pure white flowers, the next generation was
all purple
some purple and some white
all white
purple and white striped
27
29. A technique that is used to copy large amounts of DNA is
synapsis
PCR (Polymerase Chain Reaction)
stem cell therapy
restriction enzyme cutting
28
4. Which law explains that genes on different chromosomes are not inherited together?
segregation
superposition
probability
Independent assortment
29
23. Which of the following is a polygenic trait?
human skin color
spotted pattern of cows
dimples
Rh factor
30
21. Which of the following is true regarding sex-linked traits?
the son inherits it from his mother
they are always codominant
it is carried on the X and Y chromosomes
the son inherits it from his father
