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WorksheetsGenetics Practice
Total questions: 20
Worksheet time: 12mins
Define Alleles
Molecule which contains the genetic information for an organism.
Different versions of the same gene.
all the chromosomes/DNA that code for an individual’s traits.
Condensed DNA that is visible during cell division.
Define Gene
Condensed DNA that is visible during cell division.
Different versions of the same gene.
A section of DNA that codes for specific proteins/traits.
Molecule which contains the genetic information for an organism.
What is the relationship between phenotype and genotype?
The phenotype determines the genotype.
The genotype determines the phenotype.
There is no relationship between phenotype and genotype.
Tt is an example of...
Homozygous Dominant
Heterozygous
Homozygous Recessive
A Punnett square shows all of the following EXCEPT
All possible results of a genetic cross.
The possible genotypes of the offspring.
The alleles in the gametes of each parent.
The actual genotypes of the offspring.
Choose the homozygous dominant genotype
dd
Dd
DD
Choose the heterozygous dominant genotype
DD
Dd
dd
Choose the homozygous recessive genotype
DD
Dd
dd
Where is the majority of DNA stored within a cell?
Chloroplast
Cell wall
Cell membrane
Nucleus
A gene is
a section of DNA
a chemical found in the nucleus of cells
contains instructions for building a protein
all of the above
What genotype would go in box 2? And is it Homozygous or Heterozygous?
BB Heterozygous
Bb Heterozygous
bb Homozygous
Bb Homozygous
