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WorksheetsMendelian Genetics
Total questions: 10
Worksheet time: 5mins
What is an allele?
Different versions of the same gene
A section of DNA with instructions for making a protein
A matching pair of chromosomes
A single set of chromosomes for each gamete
Which of the following was NOT a control Mendel used in his experiments?
Used only purebred pea plants
Observed "either-or" traits
Used pea plants that self-pollinate
Only crossed heterozygous pea plants
According to the Law of Dominance, a ____________ allele will always express itself over a _____________ allele
Dominant, Recessive
Recessive, Dominant
Heterozygous, Homozygous
Homozygous, Heterozygous
When will a recessive trait be expressed?
When the dominant allele is NOT present
When the dominant allele is present
In a heterozygous genotype
In a homozygous dominant genotype
The actual alleles (letters) inherited by an organism are the...
Genotype
Phenotype
Chromosomes
Genes
What does the phenotype refer to?
The physical traits of an organism
The alleles an organism inherits
The letters of an organism in a Punnett Square
The chromosomes of an organism
An organism with genotype AA is...
Homozygous Dominant
Heterozygous
Homozygous Recessive
Heterozygous Dominant
Which of the following is a heterozygous genotype?
Dd
DD
dd
DDdd
Which of Mendel's laws states that each gamete will only receive one (1) chromosome from each pair during meiosis?
Law of Dominance
Law of Independent Assortment
Law of Segregation
Law of Phenotypes
According to the Law of Independent Assortment...
The alleles for one trait determine the inheritance of another trait
Certain traits are inherited together
The arrangement of chromosomes for one trait can affect the arrangement of chromosomes for another trait
Traits are inherited independently of one another
