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WorksheetsGenetics - Quick Check
Total questions: 15
Worksheet time: 13mins
Any change in the nucleotide sequence of a gene is called
a mutation
a codon
a translation
an anticodon
Based on the crime scene DNA, which suspect committed the crime?
Dimples are dominant to no dimples. Cross two heterozygous people with dimples. Genotypic ratio?
3 dimples : 1 no dimples
1 DD : 2 Dd : 1 dd
1 dimples : 1 no dimples
3 Dd : 1 dd
In horses, the palomino color is the result of the codominant expression of white and chestnut hair. What is the phenotypic ratio of the offspring of two palomino horses?
1 CC : 2 CW : 1 WW
1 chestnut : 2 palomino : 1 white
2 chestnut : 2 white
3 CC : 1 cc
A man sues his wife for infidelity. She has type A blood and her child has type O blood. What would his blood type have to be for him to win his court case?
AB
heterozygous B
heterozygous A
o
Spot pattern in clouded leopards is sex-linked. Light spots are dominant to dark spots. If a male leopard has light spots, what percentage of his male offspring will have light spots if he mates with a recessive female?
0%
50%
100%
impossible to determine
Biotechnology uses a procedure called genetic engineering. Which best describes genetic engineering?
making artificial DNA in the lab from chemicals
cutting out pieces of DNA from an organism under a microscope
adding DNA from one organism into the DNA of another organism
In humans, wavy hair is the result of incomplete dominance of curly hair and straight hair. Cross a wavy haired and curly haired person, what is the phenotypic ratio?
1 curly : 1 wavy
all wavy
all CW
3 curly : 1 straight
Which of the following is a disadvantage of asexual reproduction? (chose all that apply)
There is no genetic variation
Populations are slower to adapt
Does not require the energy to find a mate
It is generally faster
Diseases are not passed onto offspring
What is an advantage of sexual reproduction?
it is a faster process
offspring are genetically different
it takes more energy and time
finding a mate is necessary
