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x Genetics Flashcards | StudBud
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x Genetics
x Genetics
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1
What do we call a gene that is always seen in the organism's phenotype?
dominant
a mutation
transgenic
recessive
2
Where did you get your genotype from?
on my own
mom
dad
both mom and dad
3
If two twins have the same genotype, will they look exactly the same / be the same??
Yes
Maybe
No
I like turtles
4
Which genotype will allow you to your see a recessive gene's phenotype?
homozygous recessive
heterozygous dominant
homozygous dominant
heterozygous recessive
5
The passing of traits from parents to offspring is what vocabulary term?
life science
genetics
heredity
biology
6
Mendel discovered that there are how many genes for each trait?
3
2
1
4
7
What can scientists use to predict the amount/ types of genotypes that offspring will have?
dichotomous key
pedigree chart
cladogram
punnett square
8
Which type of dominance shows both genes being fulled expressed?
dominos pizza
polygenic dominance
codominance
incomplete dominance
9
Which gene is dominant?
b
B
a
c
10
Slice is to a pizza as....
Genotype is to phenotype
homozygous is to heterozygous
Mendel is to Genetics
gene is to chromosome
11
When we are looking at an organism's phenotype, we are making what?
guesses
observations
conclusions
inferences
12
What is the pigment that is produced (in higher levels) when humans are exposed to sunlight?
mel gibson
melanin
melatonin
melano
13
A hybrid : hybrid cross pollination will result in offspring that show phenotypical ratios of..
4:1
2:1
3:1
1:1
14
If a homozygous dominant father breeds with a homozygous recessive mother all the babies will..
will be hybrids
show the dominant trait
be heterozygous
all answers are correct
15
Who is known as the Father of Genetics?
Gregor Mendel
Gregor Grendell
Meger Grendell
Meger Mender
16
What is the most likely reason Mendel worked with so many pea plants?
greater number of trials means results are more valid
to create a pea plant army to fight against zombies!!!
it was his job as a monk to do so
because he had too much extra free time
17
What do we call a pair of genes for the same trait?
heterozygous
genes
alleles
homozygous
18
What do we call a pair of genes with the same exact alleles? (TT)
homozygous
haploid
heterozygous
diploid
19
If there are 400 offspring produced, how many will be white?
75
50
100
25
20
By what process do the two genes in a genotype come together? (From two haploid cells)
mitosis
independent assortment
fertilization
meiosis
21
Look at the picture below, this is an example of what type of dominance?
regular dominance
recessiveness
codominance
incomplete dominance
22
If a genotype has a red gene and a white gene but you see pink, what type of dominance is it?
codominance
incomplete dominance
recessive dominance
true dominance
23
How might a pedigree be usefull?
gives you an idea of what someones genotype might be
helps people determine if they can have healthy children
shows diseases spread throughout a family
all answers are true
24
Which of the following would not be an example of an environmental factor that affects genes?
time of year
watching tv
temperature
sunlight
25
What happens to some species of corn that is exposed to sunlight?
it makes popcorn
nothin
it turns a reddish color
it gets a sun burn
26
The Tt genotype is an example of what?
homozygous
heterozygous
medium height
zygote
27
What organism is seen below?
himalayan rabbit
jack-rabbit
snow rabbit
northern hare
28
What did Mendel call plants that had two of the same genes for a trait?
true-breeding
pure-bred
homozygous
heterozygous
