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WorksheetsExam Unit 1: Genetics
Total questions: 21
Worksheet time: 20mins
Mendel stated that...
Genetic information is transmitted via discrete units
Genetic information is transmitted via genes
Genetic information is transmitted via DNA
Inheritable units are now called...
...proteins
...genes
...nucleotides
...aminoacids
At the beginning ot 20th century, which molecule was thought to be resposible of passing on genetic information?
DNA
RNA
Proteins
Nucleotides
Proteins are made up of...
Nucleotides
Nitrogen bases
Aminoacids
Phosphate groups
How many different aminoacids are there?
20
4
2
100
DNA is... (more than one right answer)
...made up of nucleotides
...responsible of passing on genetic information
...made up of aminoacids
...a biological catalyst
Nucleotides are made up of...
...nitrogen base, phosphate group and sugar
...nitrogen base, aminoacid and sugar
...phosphate group, RNA and sugar
In DNA, bases pair up according to the rule:
A with C, G with T
C with T, G with A
G with A, C with T
A with T, G with C
Enzymes are...
...made up of nucleotides
...genetic material
...biological catalysts
...proteins
Double helix structure of DNA was discovered by...
...Watson and Crick
...Watson, Crick and Wilkins
...Watson, Crick, Wilkins and Franklin
...Mendel
During transcription, nitrogen bases are translated into specific aminoacids in groups of...
2
3
4
5
In double helix, the bond between nucleotides is formed between...
...phosphate groups
...sugars
...nitrogen bases
What is a gene?
In homozygous genotype, both alleles are...
...different
...identical
...complementary
The mixture of DNA and proteins is called...
...chromosome
...chromatine
...chromatid
How many pairs of chromosones have we got?
23
46
20
4
Define the word "alleles"
One gene has three possible alleles: A, B and C. A and B are co-dominant, and C is recessive to A and B. How many possible phenotypes are there? (Tip: making a table may help)
2
3
4
5
What was the first commercial product produced by genetic engineering?
Hemoglobine
Golden rice
Genetically Modified Organisms
Insuline
The technique by which the sequence of nucleotides of an organism are sequenced is called...
...genetic engineering
...gene therapy
...genetic screening
...genetic technology
DNA that has been modified by genetic engineering techniques is called...
...recombinant DNA
...genetically modified organism
...transfer DNA
...clone
