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Biology genetics review 1 Flashcards | StudBud
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Biology genetics review 1
Biology genetics review 1
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Answers
1
What letter represents a dominant allele?
capital
underlined
bold
lower case
2
What is an example of an allele for hair?
brown
ponytail
blue
blonde
3
Is the recessive factor covered up by the others?
yes
no
4
F2 generation is when F1 individuals self-poolinate
False
True
5
What did Mendel specifically study in college?
Math
Statistics
Biology
Chemistry
6
What does it mean to only produce offspring with the same traits?
pure strains
true-breeding
clones
duplication
7
The dominant factor is the trait that covers up its opposite.
False
True
8
What Does A Punnet Square Do?
Tells us how many genes we have in our body
Tells us the percent of a traits probability
I dont know
Tell us how old someone is
9
What allele covers up the others?
dominant
Homozygous
powerful
recessive
10
What is The Principle of Segregation?
When a haploid cell receives one copy of an allele
it's he same as Meiosis I
I got nuthin'.
when a diploid cell undergoes mitosis
11
What percentage of offspring will have brown eyes?
50%
100%
75%
25%
12
What is it when two alleles are both dominant?
Homozygous
Heterozygous
Homozygous Dominant
Homozygous recessive
13
What is the genetic make up of an organism?
recessive
phenotype
dominant
genotype
14
What is a variation of a particular trait
genes
alleles
traits
genotype
15
What is it when two alleles are different?
dominant
recessive
homozygous
Heterozygous
16
Can the mating of plants be controlled?
yes
no
17
In this punnet square
The father is heterozygous
The mother is dominant for the trait
The mother is heterozygous for the trait
The father is recessive for the trait
18
What are characteristics that we each have in our bodies?
traits
chromosomes
alleles
DNA
19
Hybridization is a process when Medel mated two contrasting, true-breeding varieties.
False
True
20
Heredity is the transmission of traits from parents to offspring.
False
True
21
true-breeding parents are the F1 generation.
False
True
22
What percentage of these offspring will green?
25%
75%
100%
50%
23
Which one is heterozygous?
tt
TT
Tt
24
What is an example of a trait/gene?
hair style
hair dye
hair color
hair dresser
25
Each box of a punnet square is _____%
50%
10000000%
100%
25%
26
Ch11- If the two parents have the alleles Tt and Tt what would be the possible alleles for there offspring?
TT, TT, tt and tt
TT, TT, TT and TT
TT, Tt, Tt and tt
Tt, Tt, Tt and Tt
27
Which of the following is a possible offspring from the genetic cross shown?
Long hair
Long tail
Short hair
No tail
28
What is not a principle of inheridance
Principle of segregation
Principle of independent assortment
Principle of dominant and recessive alleles
Principle of traits and alleles
29
Mendel developed the 5 principles of inheritance.
False
True
30
If a person is 6'5, what is that describing
phenotype
personality
genotype
trait
31
What is an example of an either-or manner?
green or yellow
tall and short
hair color
number of flowers
32
Phenotype is the physical appearance of an organism.
False
True
33
A recessive allele is not covered by another allele?
False
True
34
What is homozygous?
same/identical alleles
opposite alleles
35
What are the possible offspring? Use the punnet square to help.
Codominant
75% short 25% tall
100% tall
100% short
36
What is the hybrib offspring of the P generation?
O generation
P generation
F1 generation
F2 generation
37
The tool used to show possible offspring of two parents.
Punnet Squares
Funnett Squares
Chart
Graph
38
Who is the father of genetics?
Franklin
Punnet
Mendel
Crick
39
self-pollination is fertilization of the same plant.
False
True
40
Are alleles seperated during meiosis?
Yes
No
41
Mendelian genetics show how traits pass from one generation to another
True
False
42
A homozygous recessive is one recessive and one dominant allele.
True
False
43
Fertilization between different plants is called cross-fertilization.
True
False
44
The principle of independent assortment states that
one trait in an organism has no bearing on another
no genetic principles can be seen by studying peas
2 different species can exchange genetic informaiton
genetic factors are identical in all offspring of crosses
