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WorksheetsPretest: Genetic Information and Non-Mendelian Inheritance
Total questions: 10
Worksheet time: 5mins
Which of the following does NOT belong to the components of DNA?
Deoxyribose
Nitrogenous bases
Phosphate group
Ribose sugar
Which of the following statements is CORRECT about the genetic information in the nucleus of a cell?
Gene is made up of a group of DNA.
Chromosomes are wrapped around by histone proteins to form chromatin.
DNA is the building block of life.
Chromosomes are made up of centromere joined together by sister chromatids.
What is a DNA molecule?
It is composed of a ribose sugar.
It is a monomer made up of nucleotide.
It is made up of two strands twisted together forming a double helix.
The nitrogenous base Guanine always pairs with Thymine while Cytosine pair up with Adenine.
Which is TRUE about chromosomes?
Human has 46 chromosomes
Body cells have chromosome numbers 1 to 22
Body cells have chromosome numbers 1 to 22
All of the above.
What are the backbones of DNA with two alternating structures?
Deoxyribose sugar and Phosphorus group
Deoxyribose sugar and a Phosphate group
Nitrogenous bases and Hydrogen bonds
Ribose sugar and sulfate group
What pattern of inheritance is shown when as Carnation pink flower was heterozygous for the petal colors red and white?
Incomplete dominance
Codominance
Multiple Alleles
Complete Dominance
What Non-Mendelian Pattern is shown when more than two types of alleles available leading for more more than two phenotypes expressed?
Incomplete dominance
Codominance
Multiple Alleles
not mentioned
Which of the following Non-Mendelian inheritance is demonstrated when the resulting heterozygotes exhibit the traits of both parents?
Codominance
Incomplete dominance
Multiple Alleles
not mentioned
Which is TRUE about the roan bull that has both the black and white colors?
The roan bull is homozygous dominant.
The roan is the intermediate phenotype for the coat color
This is governed by the Codominance pattern of inheritance
All of the above.
What is the probability of having a blood type AB child when a man with blood type O marries a woman with blood type AB?
0%
25%
50%
Cannot be determined
