AP Biology Genetics Quiz Ch.12-15
Quiz by Clifford Traylor
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- Q 1/22Score 0
Which of the following is (are) true for alleles?
29B. They can be identical or different for any given gene in a somatic cell.
C. They can represent alternative forms of a gene.
A. They can be dominant or recessive.
A, B, and C are correct.
- Q1
Which of the following is (are) true for alleles?
B. They can be identical or different for any given gene in a somatic cell.
C. They can represent alternative forms of a gene.
A. They can be dominant or recessive.
A, B, and C are correct.
120s - Q2
Which of the following is an example of alternation of generations?
A grandparent and grandchild each have dark hair, butthe parent has blond hair.
A haploid mushroom produces gametes by mitosis, and thegametes undergo fertilization, which is immediately followed by meiosis.
A diploid cell divides by mitosis to produce two diploiddaughter cells, which then fuse to produce a tetraploid cell.
A diploid plant (sporophyte) produces, by meiosis, aspore that gives rise to a multicellular, haploid pollen grain (gametophyte).
120s - Q3
In a cross AaBbCc AaBbCc, what is the probability of producing the genotype AABBCC?
1/32
1/8
1/64
1/16
300s - Q4
The expression of both alleles for a trait in a hybrid individual is
incomplete dominance
epistasis
pleiotropy
codominance
120s - Q5
A punnet square consisting of two alleles represents which of the following?
linked genes
a dihybrid cross
a trihybrid cross
a monohybrid cross
120s - Q6
Chromosomes first become visible during ____ of mitosis
anaphase
telophase
prophase
prometaphase
120s - Q7
How many unique gametes could be produced through independent assortment by an individual with the genotype AaBbCCDdEE?
16
64
4
8
300s - Q8
What does a frequency of recombination of 50% indicate?
The two genes likely are located on different chromosomes
The genes are located on sex chromosomes
All of the offspring have combinations of traits that match one of the two parents
Independent assortment is hindered
120s - Q9
The ABO blood group system is
codominant
incompletely dominant
epistatic
pleiotropic
120s - Q10
SRY is
a gene present on the Y chromosome that triggers male development
required for development, and males or females lacking the gene do not survive past early childhood
an autosomal gene that is required for the expression of genes on the Y chromosome
a gene present on the X chromosome that triggers female development
120s - Q11
Referring to a plant sexual life cycle, which of the following terms describes the process that leads directly to the formation of gametes?
sporophyte mitosis
gametophyte meiosis
gametophyte mitosis
alternation of generations
120s - Q12
What is the mechanism for the production of genetic recombinants?
deletions and duplications during meiosis
crossing over and independent assortment
nondisjunction
methylation of cytosine
120s - Q13
Most calico cats are female because
the males die during embryonic development
a male inherits only one of the two X-linked genes controlling hair color
the Y chromosome has a gene blocking orange coloration
only females can have Barr bodies.
120s - Q14
The reason that linked genes are inherited together is that
genes align that way during metaphase I
they are located on the same chromosome
alleles are paired
the number of genes in a cell is greater than the number of chromosomes
120s - Q15
People that carry the sickle-cell trait
have increased resistance to malaria
all of the answers are correct
produce normal and abnormal hemoglobin
are heterozygous for the sickle-cell allele
120s
