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7th Grade Science Test Chapter 4 Flashcards | StudBud
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7th Grade Science Test Chapter 4
7th Grade Science Test Chapter 4
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McDougal Littell Science Chapter 4
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The passing of genes from parent to offspring is called
homologs
alleles
heredity
chromosomes
2
If a HH male mates with a Hh female, the probability the dominant (H) shows in the offspring is
75%
25%
100%
0%
3
What is it called when a haploid sperm cell meets a haploid egg cell
fertilization
confusing
meiosis
mitosis
4
A boy has a chromosome pattern of
Y? I don't know Y
XY
XX
YY
5
Which of these is a inherited trait
being a bad driver
amount of body hair
hair length
riding a bike
6
Which of these is a ratio?
Bb
4:1
Why do I have to do a math question?
25%
7
The change of the recessive trait showing through on this Punnett Square is
50%
0%
25%
100%
8
Dominate genes are the ones that...
always appear in the phenotype
beat up other genes
are in you, but don't show up in what you look like
are the kings of all the genes
9
Compare the number of chromosomes in a body cell to the number of chromosomes in a sex cell
there are the same amount
there is double the amount in the sex cell
there is half the amount in the sex cell
There are the number that there are
10
A tool scientists use to determine heredity and probability is a
allele
heredity
Punnett square
ratio
11
Which of these is an acquired trait?
ability to do word problems
eye color
blood type
hair color
12
Which does not occur during meiosis
daughter cells contain half the amount of chromosomes
two diploid daughter cells are produced
A total of four haploid daughter cells are produced
only cells that are gametes are produced
13
A female has a chromosome pattern of
XX
YY
XY
AEIOU
14
How can a recessive gene become a phenotype?
The mom and the dad both carry the recessive gene
The dad has a recessive gene in his genotype
The dad has a recessive gene in his genotype and phenotype
The mom has a recessive gene in her genotype
15
This type of allele are the genes that are in you but are hidden
genotype
writeortype
stereotype
phenotype
16
cells that contain half the number of chromosomes are
gametes
diploid cells
egg cells
haploid cells
17
This type of allele is the gene that is visible
geneotype
idontknowwhattotype
phenotype
stereotype
18
Recessive genes show up when
Only recessive genes are in your genotype
It's time for recess
when they are paired with only one dominant gene
On picture day when you want to look your best
19
The process that produces haploid cells is known as
fertilization
meiosis
mitosis
reproduction
20
Why aren't there any blue eyes in the picture?
Blue eyes are dominant
Blue eyes are recessive
Brown eyes are recessive
