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Heredity Unit 5 AP Biology Flashcards | StudBud
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Heredity Unit 5 AP Biology
Heredity Unit 5 AP Biology
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AP Biology Inheritance test review
Flashcards
33 cards
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Questions
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Answers
1
Pre-Mendelian genetics postulated a "mixing" theory, which is analogous to what now we call
True-Breeding
Dependent Dominance
Incomplete Dominance
Codominance
2
How and at what stage of meiosis do chromosomes undergo independent assortment?
meiosis I telophase separation
meiosis I pairing of homologs
meiosis II separation of homologs
meiosis I metaphase alignment
3
Offspring with combinations of traits that differ from those found in either parent.
Atypical
Mutated
Recombinants
Parental
4
What is the most likely inheritance pattern of this pedigree?
autosomal recessive
sex-linked Y
autosomal dominant
sex-linked X
5
If a cancer drug interferes with the formation of the spindle apparatus, at which stage will mitosis stop?
cytokinesis
metaphase
telophase
anaphase
6
Polygenic Inheritance occurs when...
When both alleles for a gene are expressed equally.
When more than one gene affects a trait.
When one allele is partially dominant.
When three or more possible alleles determine a trait.
7
Which of the following are chromosomal disorders?
Translocation
Trisomy
All of the above
Monosomy
8
Parent Generation -> _________ -> Filial 2 generation
wild type
offspring
gamete
F1
9
Mitochondrial DNA is usually inherited from
Dad
Jimmy Fallon
both mom and dad
Mom
10
What are phenotypes?
Cells that are involved in the process of fertilization
Cells with the diploid number of chromosomes
Different forms of a trait
The physical characteristics of organisms
11
What would be the expected phenotypes of their offspring?
3:1 short to long
all short-haired
1:1 short to long
all long-haired
12
Two parents are heterozygous for dimples (dominant). Probability their offspring have dimples.
1/4
4/4
3/4
1/2
13
pink snapdragon flower is an example of what Non - Mendelian Genetics
Codominance
Dihybrid
Multiple Allele
Incomplete dominance
14
Which of these is NOT a type of Chromosomal Alteration?
Transciption
Translocation
Deletion
Duplication
15
Which is an example of polygenic inheritance in humans?
Left/Right Handedness
Height
Dimples/No Dimples
Blood Type
16
When this cell divides what would be the haploid number?
6
3
12
2
17
The number of alleles for blood types is ____ and the number of phenotypic expressions is ____.
3 alleles; 4 phenotypes
2 alleles; 2 phenotypes
4 alleles; 3 phenotypes
2 alleles; 3 phenotypes
18
Hemophilia is sex-linked recessive. Which individuals must be carriers?
III-2 and III-3
I-2 and II-2
I-4 and II-2
II-1 and II-2
19
Failure of homologous chromosomes or sister chromatids to separate during cell division
crossing over
karyotype
synapsis
nondisjunction
20
In non-mendelian genetics, this is an example of ______________________.
secondary dominance
incomplete dominance
co-dominance
phenotypic dominance
21
The mode of inheritance pictured is most likely
Co-dominance
Sex-linked recessive
Y-linked dominant
Complete dominance
22
A diploid cell with 6 chromosomes (2n=6) undergoes MEIOSIS. What is the product?
2 cells: 12 chromosomes each
2 cells: 3 chromosomes each
4 cells: 3 chromosomes each
4 cells: 6 chromosomes each
23
Any inheritance patterns that don’t follow one or more laws of Mendelian Genetics.
Non-Mendelian Genetics
Complete dominance
Codominance
Incomplete dominance
24
Homozygous recessive is crossed with a heterozygote.What's chance of homozygous recessive in F1
0%
25%
50%
100%
25
What is the genotype of 5
ww
Ww
not enough information given
WW
26
What type of non-Mendelian genetics is likely represented below?
Gene linkage
Epistasis
Polygenic traits
Sex-linked trait
27
An investigative cross between a homozygous recessive and an unknown genotype is a
Punnett Square
Sherlock Holmes
Testcross
Tetracross
28
True or false? The number of chromosomes is reduced from haploid to diploid during meiosis I
NO way!
They sure are!
29
True or False? Chromosomes must be replicated before the cell can divide by meiosis.
NO Way!
Heck Yeah!
30
What is Mendelian inheritance?
Traits controlled by one gene & 2 allele types
Traits passed from mother to son
Traits affected by multiple alleles/genes
Traits passed from father to daughter
31
The ratio of phenotypes in a dihybrid cross is
1:1
3:1
1:2:1
9:3:3:1
32
Genetic cross RrSsTt x RrSsTt, what's probability the offspring will be rrSsTT
1/16
1/64
1/8
1/32
33
A pair of alleles segregates during gamete formation in which stage of cell division
Anaphase of mitosis
Anaphase II of meiosis
Prophase I of meiosis
Anaphase I of meiosis
