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Genetics Review
Genetics Review
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Genetics
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
A type of trait that is NOT genetic.
acquired
agenetic
altered
inherited
2
Brown eyes are dominant over blue. What are the chances of blue eyed offspring in this cross?
25%
100%
0%
50%
3
A genotype with two different alleles is called
recessive
dominant
homozygous
heterozygous
4
The study of the passing of traits to offspring.
chemistry
ecology
inheritance
heredity
5
What is true about the image below.
The parents have a homozygous genotype.
The parents display the recessive phenotype.
The parents have different phenotypes.
The parents display the dominant phenogype.
6
The units of heredity are called
cells
hybrids
traits
genes
7
P= Purple, p= white. If two white flowered plants cross, what % of the offspring will be white?
0
25
50
100
8
____ is the likelihood that a particular event will occur.
rule of dominance
probability
statistics
Murphy's Law
9
What is true about the image below.
There is a 50% probability of offspring being yellow.
There is a 75% probability of offspring being yellow.
There is a 75% probability of offspring being green.
There is a 50% probability of offspring being green.
10
The missing genotypes in the square are
heterozygous
homozygous dominant
homozygous recessive
impossible to tell
11
Part of DNA contains the instructions for a protein/trait
double heliz
nucleotide
gene
nucleus
12
Which of the following is most likely an inherited trait?
a scar
accent
shoe size
handwriting
13
A ____ shows all the possible combinations of alleles that can result from a genetic cross.
histogram
bar graph
pie graph
Punnett square
14
What portion of its genetic material does an offspring get from each parent?
25
75
50
0
15
The symbol for a dominant trait is
two capital letters
a lower case letter
a capital letter
a capital and a lower case letter
16
A genotype of rr or RR.
heterozygous
homologous
homozygous
heterologous
17
The cell division process that creates sperm and egg cells.
mitosis
transcription
translation
meiosis
18
The symbol for a recessive allele is
lower case letter
two lowercase letters
a capital and a lower case letter
capital letter
19
Genes that mask other genes are said to be
hybrid
recessive
true breeding
dominant
20
The process of the union of sperm and egg to form a new organism.
mitosis
meiosis
duplication
fertilization
21
A characteristic of an organism can also be called a
trait
gene
purebred
hybrid
22
If genes for purple flowers mask genes for white flowers, the white genes are
incompletely dominant
hybrid
recessive
dominant
23
Different versions of a gene.
genotype
chromosome
trait
allele
24
Traits that are passed from parents to offspring via DNA.
recieved
acquired
inherited
donated
25
The visible characteristics of an organism are called *
chromosomes
genotypes
phenotypes
cells
26
The “Father of Modern Genetics” is
Charles Darwin
James Watson
Francis Crick
Gregor Mendel
27
My favorite class is
science
science
science
science
28
A homozygous tall and a heterozygous plant make 200 offspring. How many should be tall?
150
50
200
100
29
A genotype with two identical alleles is called
recessive
dominant
heterozygous
homozygous
30
Genotype of Rr.
homozygous
heterozygous
homozygous dominant
homozygous recessive
