WorksheetsHeredity
Total questions: 11
Worksheet time: 6mins
A scientist crosses a rabbit with short fur and a rabbit with long fur. Which of these outcomes would show that the trait for fur length is an example of incomplete dominance?
All of the offspring have long fur
All of the offspring have medium-length fur
All of the offspring have short fur.
All the offspring have no fur.
Which of these choices is the definition of allele?
the form of a gene that is expressed only in the phenotype
one of the alternative forms of a gene
the combination of genes for a specific trait
the complete genetic makeup of a living thing
Which of these choices describes a segment of DNA that determines a specific trait in a person, such as attached earlobes?
A gene
A phenotype
A chromosome
A characateristic
The diagram below shows the results of crossing a pea plant with round seeds and a pea plant with wrinkled seeds.
What can be determined from the results of the experiment?
Smooth shape and wrinkled shape are both recessive traits.
Smooth shape and wrinkled shape are both dominant traits.
Smooth shape is a dominant trait, and wrinkled shape is a recessive trait.
Smooth shape is a recessive trait, and wrinkled shape is a dominant trait.
Ryan notices that all of his friend’s brothers and sisters are tall. What is the most likely explanation for this characteristic?
They have tall parents.
They have identical genes
They eat only healthy foods.
They live in the same environment.
The 1800s, this Austrian monk was called the “Father of Genetics” and studied pea plants’ traits.
Charles Darwin
Gregor Mendel
Theodor Schwann
Robert Hooke
What is the definition of phenotype?
The observable traits of a gene.
the combination of alleles you inherit from your parents.
one trait is completely dominant over the other.
all of the offspring from a parent.
The combination of alleles that looks like Aa is...
Heterozygous or hybrid
homozygous or hybrid
heterozygous or true breeding
homozygous or true breeding
If Mrs. Schultz has long eyelashes (dominant) and Ms. Messinger has short eyelashes (recessive). Which of the following statements is true?
Ms Messinger's phenotype must be Gg
Ms Messinger's genotype must be gg
Mrs. Shultz's genotype must be GG
Mrs. Shultz's phenotype must be Gg
If mom has brown eyes (dominant) and dad has blue eyes (recessive) and they have a child with brown eyes, what is the child's genotype?
FF (Brown Eyes)
Ff (Brown Eyes)
ff (Blue Eyes)
If mom has brown eyes (dominant) and dad has blue eyes (recessive) and they have a child with Blue eyes, what is the genotype of MOM?
FF (brown)
Ff (brown)
ff (blue)
