WorksheetsMrs. Coble Genetics Review!!!
Total questions: 20
Worksheet time: 43mins
What is a genotype?
They physical characteristics of an organism.
The genetic make-up of an organism.
A table showing genetic crosses
What is a phenotype?
A picture of the organism
The genetics of an organism
What an organism looks like.
Which of the following is a good example of co-dominance?
Four o'clock Flowers
When a gray fur hamster is produced from a white and black hamster cross.
Human Blood Type
On a pedigree, the squares represent...
Males
Females
Pets
What are the two types of bonds holding DNA together?
Covalent and Ionic
Covalent and Hydrogen
Hydrogen and Ionic
What is mRNA's job in protein synthesis?
It makes up the structure of ribosomes
It transfers amino acids to the ribosome to make a protein.
It carries the message from the DNA out to the ribosome.
What is the F1 generation on a pedigree chart?
The parent generation
The first generation after the parent generation
The second generation after the parent generation.
In the Law of Independent Assortment, alleles are distributed to gametes...
Together
In pairs
Independently of each other
Which of the following is an example of a sex-linked trait?
Color Blindness
Human Blood Type
Skin Color
RNA is different than DNA because RNA...
Is longer than DNA
Is single-stranded
Contains the sugar deoxyribose
A section of a DNA strand has the following sequence: ATCGTTA. What is the sequence of an mRNA transcribed from this section?
TAGCAAT
UAGCAAU
TUGCUUT
What is the first step in the flow of genetic information?
RNA
Protein
DNA
What is the second step in the flow of genetic information?
RNA
Protein
DNA
What is the last step in the flow of genetic information?
RNA
Protein
DNA
What type of pedigree chart is this?
Autosomal Dominant
Autosomal Recessive
Sex-Linked Dominant
What is a silent mutation?
A mutation that doesn't make any noise.
A mutation that does not affect the person.
A mutation that changes the protein and can have deadly results.
Why are certain genetic disorders more common in men then in women?
Because men only have one X chromosomes so they show all traits, even if it causes a disorder.
Because women only have one X so they show all traits, even if it causes a disorder.
Because men have a Y chromosome and it usually has something wrong with it.
On a pedigree, the circles represent...
Males
Females
Chickens
Which of the following is a good example of incomplete dominance?
Flowers that are both red and white (you see both colors equally)
When gray fur hamsters are produced from a white and black fur hamster
Human Blood Type
In tomatoes red fruit color (R) is dominant to yellow fruit color (r). Answer the following question for a cross between a heterozygous parent and another heterozygous parent.
What percentage of the offspring are yellow?
100%
50%
25%
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