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