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Mod Biology: Fundamentals of Genetics Flashcards | StudBud
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Mod Biology: Fundamentals of Genetics
Mod Biology: Fundamentals of Genetics
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#genetics #mendel #probability #highschool #geneticcrosses
Flashcards
35 cards
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Practice quiz
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Questions
35
Answers
1
The law of independent assortment allows a tall plant to exhibit _____ pods.
yellow or green
yellow or green, full or constricted
full or constricted
yellow & green
2
In order for Mendel to observe the law of independent assortment, he had to do _______.
Dihybrid crosses
F1 x F2 crosses
F2 self-polliination
F1 self-pollination
3
The # times event is expected to occur/ # times event could occur = ?
Percent error
Percent probability
Standard deviation
Probability
4
A Punnet square shows the genotype ratio 1BB:1Bb ..the parent genotypes were likely
Bb and Bb
bb and bb
BB and bb
BB and Bb
5
If one were to see a 3:1 phenotypic ratio in F
1
, the P generations were ....
homozygous recessive x heterozygotes
homozygous dominant x homozygous recessive
2 heterozygotes
homozygous dom. x heterozygotes
6
Barbara McClintock discovered that genes can ____.
infect other organism
cross over
repair themselves
jump around
7
When one crosses a homozygous recessive with an unknown dominant phenotype, this occurs.
all dominant phenotype
testcross
25 % recessive phenotype
3:1 phenotypic ratio
8
Pollen is found on the ...
male pistil
male anther
female stamen
female style
9
When pollen is transferred from 1 flower to a different flower on the same plant, ___ occurs.
self-pollination
cross-pollination
bi-pollination
partial-pollination
10
The notation of Gg, GG, or gg refers to the organism's ______.
genotype
gene code
genetic loci
phenotype
11
Who is considered the father of modern genetics?
Louis Pasteur
Gregor Mendel
Charles Darwin
Jean Baptiste Lamark
12
Mendel's work would have been majorly compromised if his "factors" were on ....
different chromosomes
the ends of chromosomes
Either same or at the ends
the same chromosome
13
Before Mendel did cross-pollination studies with his pea plants, he ____.
obtained 2 heterozygotes
collected pollen from anthers of both plants
removed stamens of donating plant
removed anthers from receiving plant
14
What Mendel called "factors", we now know as "_____".
chromosomes
alleles
traits
genes
15
Mendel observed F
2
offspring from crossing 2 heterozygotes & determined the law of ____.
independent assortment
entropy
segregation
conservation of matter
16
Human blood cells which carry blood type markers M,N, MN on their surface is an example of
complete dominance
true breeding
codominance
incomplete dominance
17
Mendel's work was successful, in part, because all of his traits were controlled by ___.
multiple alleles
complex characters
a single gene
soil conditions
18
A test cross requires an individual with genotype
homozygous dominant
heterozygous
homozygous recessive
AA
19
The true-breeding plants Mendel used were ____ for a given trait.
dominant
homozygous
heterozygous
recessive
20
A Punnet square shows the genotype ratio 1AA:2Aa:1aa.. parent genotypes were likely
AA and aa
Aa and bb
Aa and Aa
Aa and aa
21
If there were 5474 round seed to every 1850 wrinkled seeds, the phenotypic ratio would be __.
4:1
3:1
1:3
4.5:1
22
The study of the structure & function of chromosomes & genes is now known as "___".
Molecular genetics
Mendelian genetics
Molecular biochemistry
Heredity
23
The generation corresponding to one's grandchildren is the ___ generation.
F3
P
F2
F1
24
Because each trait had 2 alternative forms, Mendel concluded (a) __ factors controlled them.
pair of
chromosomal
range of
genetic
25
The human blood types, A, B, AB, and O are an example of _______.
partial dominance
codominance
incomplete dominance
complete dominance
26
Mendel did his most famous experiments using
Pisum sativum
, the common ...
daisy
crocus
garden pea
maize/ corn
27
During meiosis, each paired homologue separates, each chromatid eventually ending up in a....
spermatid
polar body
separate gamete
zygote
28
The phenotype ratio 3:1 is often found in monohybrid crosses between heterozygotes showing
complete dominance
codominance
multiple dominance
incomplete dominance
29
A phenotypic ratio of 9:3:3:1 occurs when observing a _____cross.
homozygous recessive x heterozygote trihybrid
dihybrid cross of two heterozygotes
incomplete dominance of 2 heterozygotes
heterozygote monohybrid
30
Mendel reasoned that each trait arose independently of all the others. This is known as ....
Law of segregation
law of independent assortment
mitosis
meiosis I
31
Dihybrid cross: homozygous round yellow & homozygous wrinkled green pea pods, F
1
phenotypes are
all yellow round
3 yellow round: 1 green wrinkled
half yellow round, half green wrinkled
all green wrinkled
32
When the alleles are identical, they are said to be ....
heterozygous
recessive
dominant
homozygous
33
Being a gardener would have been insufficient for Mendel's work if he had not also studied ...
botany
religion
science & religion
statistics
34
Pink heterozygous 4 O'clocks are interbred from the F
1
gen, will likely yield ____ phenotype(s)
2
3
4
1
35
In incomplete dominance if one were to cross a black bunny with a white bunny, one'd get ....
white bunnies
black bunnies
grey bunnies
black & white bunnies
