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Genetics
Genetics
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A #biology Quiz! to explain the basics of #genetics.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What are different forms of a gene are known as?
alleles
phenotypes
genotypes
hybrids
2
Which is not a type of mutation?
Deletion
Substitution
Insertion
Conulsion
3
Genetic variation is increased during MEIOSIS because of..
Crossing over
Interphase
Meiosis doesn't increase genetic variation
Two people are combining their alleles
4
Which protein acts like an anchor, preventing muscle cells from tearing?
Creatine Kinase
Dystrophin
Actin
Myosin
5
The building blocks of DNA are called...
Amino Acids
Nucleotides
Codons
ACGT
6
Where does translation occur?
the nucleus
the cytoplasm
outside the cell
in the ribosomes
7
A deletion mutation where several nucleotides were deleted would cause...
An extra amino acid would be added
The amino acids would remain unchanged
One amino acid would be different
Several amino acids to not be made
8
The image shows the process of protein synthesis. Which number on the image shows translation taking place?
None of them
3
2
1
9
Choose the correct order of protein synthesis
RNA-->DNA-->amino acids
DNA-->mRNA-->amino acids
mRNA-->tRNA-->amino acids
DNA-->tRNA-->amino acids
10
What are genes composed of?
stem cells
nuclei
DNA
RNA
11
Dominant A= freckles Recessive a= no freckles. What are the odds of having a child with freckles?
75%
50%
100%
25%
12
What describes the physical appearances of an organism?
genotypes
phenotypes
stem cells
alleles
13
In a gene with a deletion mutation, it is unlikely that it will result in the correct protein being made
False
True
14
Where does transcription occur?
outside the cell
in the ribosomes
the cytoplasm
the nucleus
15
What kinds of traits would be hidden by another if the other is present?
dominant traits
phenotypic traits
homozygous traits
recessive traits
16
What chromosomes determine whether you are male or female?
X and Y XX: female XY: male
You can't tell that
X and Y XX: male XY: female
Chromosome 8
17
What is an organism with two copies of the same allele called? (ex BB)
heterozygous
homozygous
homologous
diploid
18
What is the role of mRNA in protein synthesis?
Brings transcribed sequence out of nucleus for translation
Brings amino acids to build protein
Takes the DNA out of the nucleus
Unzips DNA for transcription
19
The major difference between different cells in the same organism is that they have unlike DNA.
TRUE
FALSE
20
Which is not a possible cause of mutation in DNA?
Passed down from parents
Mistakes made when new cells & dna are copied
Spontaneous mutation in an existing cell
Exposure to environmental toxins
