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Genetics Review
Genetics Review
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Genetics
Flashcards
28 cards
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Practice quiz
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Questions
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Answers
1
Sex linked genes are located on
autosomal chromosomes
sex chromosomes
only the X chromosome
somatic cells
2
The “Father of Modern Genetics” is
Francis Crick
James Watson
Gregor Mendel
Charles Darwin
3
Genes that mask other genes are said to be
hybrid
dominant
true breeding
recessive
4
The missing genotypes in the square are
heterozygous
homozygous recessive
homozygous dominant
impossible to tell
5
A ____ shows all the possible combinations of alleles that can result from a genetic cross.
histogram
Punnett square
bar graph
pie graph
6
If genes for purple flowers mask genes for white flowers, the white genes are
hybrid
incompletely dominant
recessive
dominant
7
My favorite class is......
science
science
science
science
8
What portion of its genetic material does an offspring get from each parent?
75
0
50
25
9
A genotype with two different alleles is called
homozygous
dominant
recessive
heterozygous
10
A genotype with two identical alleles is called
dominant
recessive
heterozygous
homozygous
11
What is true about the image below.
The parents have a homozygous genotype.
The parents display the dominant phenotype.
The parents have different phenotypes.
The parents display the recessive phenotype.
12
What is true about the image below.
There is a 75% probability of offspring being yellow.
There is a 50% probability of offspring being green.
There is a 50% probability of offspring being yellow.
There is a 75% probability of offspring being green.
13
Which of the following is most likely an inherited trait?
shoe size
accent
handwriting
a scar
14
Different versions of a gene.
genotype
chromosome
trait
allele
15
In humans there are three different alleles for blood type, this is an example of
codominance
polygenic inheritence
incomplete dominance
mulitple alleles
16
The visible characteristics of an organism are called *
chromosomes
cells
phenotypes
genotypes
17
A genotype of rr or RR?
heterozygous
heterologous
homozygous
homologous
18
____ is the likelihood that a particular event will occur.
probability
statistics
Murphy's Law
rule of dominance
19
P= Purple, p= white. If two white flowered plants cross, what % of the offspring will be white?
0
50
100
25
20
Traits that are passed from parents to offspring via DNA.
inherited
recieved
donated
acquired
21
The symbol for a recessive allele is
capital letter
lower case letter
two lowercase letters
a capital and a lower case letter
22
The units of heredity are called
traits
hybrids
cells
genes
23
A homozygous tall and a heterozygous plant make 200 offspring. How many should be tall?
100
150
50
200
24
Genotype of Rr?
homozygous
heterozygous
homozygous recessive
homozygous dominant
25
Brown eyes are dominant over blue. What are the chances of blue eyed offspring in this cross?
25%
50%
0%
100%
26
When two traits blend, it is an example of
sex-linked traits
incomplete dominance
simple dominance
co-dominance
27
The symbol for a dominant trait is
two capital letters
a capital and a lower case letter
a lower case letter
a capital letter
28
The study of the passing of traits to offspring.
chemistry
ecology
heredity
inheritance
