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Genetics
Genetics
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Review for Intro to Genetics
Flashcards
25 cards
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Practice quiz
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Host live
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Questions
25
Answers
1
Which of the following genotypes would look the same?
Rr and rr
Rr and RR
None of these
rr and RR
2
What is the probability that you flip 4 tails in a row?
1/8
1/2
1/16
1/4
3
In the cross AaBb x AaBb, how many offspring are likely to be dominant for both traits?
3/8
9/16
3/4
1/16
4
Which term means "same alleles?"
Heterozygous
Homozygous
Hybrid
5
If the Genotype is written as two DIFFERENT letters (Bb) it is called...
Homozygous
Heterozygous
Dominant
Recessive
6
A genotype is
One allele
A physical apperance
Genetic makeup
7
Alleles determine
All of the above
Your skin color
Your eye color
The shape of your body
8
What are the sexes and eye colors of a fly with a X(R) X(r) genotype?(Red is dominant to white)
Red eyed female
White eyed male
White eyed female
9
In the cross Bb x bb, how many offspring are likely to be dominant?
4/4
1/2
3/4
1/4
10
What is heredity?
The passing of genes from one's parents to offspring
Genetics
The study of genes
11
Homozygous dominants are represented with a
Roman numeral
Lower case letter
Capital letter
12
What is the study of heredity?
Genetics
DNA
Biology
13
Which is not an example of a trait?
Environment
Height
Shape of a plant
Eye Color
14
What percent of your genes come from your mother?
100%
50%
25%
30%
15
Which of the following is an example of a phenotype?
GGRr
AA
Aa
Brown Hair
16
The trait that takes over is called the...
Recessive trait
Blood type
Homozygous trait
Dominant trait
17
What is the genotypic ratio for Rr x Rr?
2:2:0
0:4:0
0:2:2
1:2:1
18
A phenotype is
Two alleles
Physical appearance
Another word for gene
19
Who is considered the father of genetics?
James Watson
Gregor Mendel
Francis Crick
Charles Darwin
20
What is the number that describes how likely it is that an event will occur?
Whole Number
Luck
Prediction
Probability
21
What is the purpose of a Punnett Square?
To determine just the possible phenotypes of the offspring
To determine possible genotypes and phenotypes of offspring
To determine just the possible genotypes of the offspring
To determine phenotypes of parents
22
For the genotype below determine what phenotypes are possible.
PP=White, pp=Purple, Pp=White
PP=Purple, pp=White, Pp=Purple
PP=White, PP=White, Pp=Purple
PP=Purple, pp=Purple, Pp=Purple
23
Mom and dad both have type A blood. Child has type O. What are mom and dad's genotype?
OO
AA
AB
AO
24
What type of plant did Gregor Mendel study?
Sunflowers
pumpkins
Pea Plants
he studied bugs
25
In the cross TtGg x ttgg, what fraction of the offspring will look dominant for both traits?
3/8
9/16
3/16
1/4
