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DoCo: Genetics Flashcards | StudBud
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DoCo: Genetics
DoCo: Genetics
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Questions
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Answers
1
Mendel did his most famous experiments using
Pisum sativum
, the common ...
daisy
maize/ corn
garden pea
crocus
2
When the alleles are identical, they are said to be ....
recessive
homozygous
dominant
heterozygous
3
What Mendel called "factors", we now know as "_____".
phenotypes
traits
genotypes
alleles
4
If Grandparents are P1, the grandchildren are the ___ generation.
P
F1
F3
F2
5
When pollen is transferred from flower to a flower on the same plant, ___ occurs.
self-pollination
cross-pollination
partial-pollination
bi-pollination
6
Before Mendel did cross-pollination studies with his pea plants, he ____.
he had to take a statistics class
collected pollen from anthers of both plants
had to begin with purebred parents
he had to take a gardening class
7
The notation of Gg, GG, or gg refers to the organism's ______.
phenotype
genotype
genetic loci
gene code
8
A cross between two individuals where one characteristic is the focus.
mono-allele
monohybrid
uni-allele
dihybrid
9
rr is
homozygous dominant
heterozygous
recessive
homozygous recessive
10
Mendel reasoned that individuals can have a collection of both dominant & recessive traits. This is known as ....
Law of segregation
mitosis
law of independent assortment
meiosis I
11
Mendel determined the Law of ____ when recessive traits disappeared in the F1 generation & reappeared in the F2.
entropy
conservation of matter
independent assortment
segregation
12
If one were to see a 3:1 phenotypic ratio in F
1
, the P generation was likely ....
2 heterozygotes
homozygous dom. x heterozygotes
homozygous dominant x homozygous recessive
homozygous recessive x heterozygotes
13
The study of how traits are passed from generation to generation
probability
genetics
statistics
botany
14
The purebred plants Mendel used as his P generation were ____ for a given trait.
dominant
recessive
homozygous
heterozygous
15
each alternate form of a gene.
locus
allele
monohybrid
dihybrid
16
A phenotypic ratio of 9:3:3:1 occurs when observing a _____cross.
incomplete dominance of 2 heterozygotes
homozygous recessive x heterozygote trihybrid
heterozygote monohybrid
heterozygote dihybrid
17
In co-dominance if one were to cross a black bunny with a white bunny, one'd get ....
white haired bunnies
grey haired bunnies
black & white haired bunnies
black haired bunnies
18
R-round/r-wrinkled peas; Y-yellow/y-green peas. What are the phenotypes of the F1 generation if P=RRYY x rryy
3 yellow round: 1 green wrinkled
all yellow round
half yellow round, half green wrinkled
all green wrinkled
19
With incomplete dominance, if you cross a red snapdragon with a yellow snapdragon, the offspring will be
all red
red & yellow swirled
all yellow
all orange
20
Who is considered the father of modern genetics?
Jean Baptiste Lamark
Louis Pasteur
Gregor Mendel
Charles Darwin
21
Mendel performed ___ to establish the law of independent assortment.
F1 self-pollination
Dihybrid crosses
F2 self-polliination
F1 x F2 crosses
22
Rr is
heterozygous
homozygous dominant
homozygous recessive
recessive
23
If there were 5474 round seed to every 1850 wrinkled seeds, the phenotypic ratio would be __.
1:3
4:1
4.5:1
3:1
24
Mendel utilized both self and cross pollination techniques in his experiments.
False
True
25
Mendel's work was successful, in part, because pea flowers were complete and all of the pea characteristics had
soil conditions
complex characters
only two forms/traits
co-dominance
26
The likelihood that a specific event will occur = ?
Standard deviation
Percent probability
Probability
Percent error
27
Being a gardener would have been insufficient for Mendel's work if he had not gone back to study ...
botany
statistics
religion
science & religion
28
The physical appearance of a trait.
allele
genotype
phenotype
dominant
29
When one crosses a homozygous recessive individual with an individual with unknown dominant phenotype, it is a/an __.
3:1 phenotypic ratio
25 % recessive phenotype
testcross
all dominant phenotype