WorksheetsGenetics
Total questions: 21
Worksheet time: 11mins
What segment of DNA codes for a trait?
Chromosome
Gene
Allele
Cell
What is an alternate form of a gene?
Gene
Allele
Trait
DNA
How many alleles are inherited for each trait?
2
3
4
5
What tool can be used to predict offspring produced by two parents?
Punnett Square
Karyotype
Pedigree
Cladogram
What type of reproduction most likely contributes to genetic diversity?
Cloingin
Asexual
Sexual
Budding
A trait that appears in the absence of a dominant trait is best described as
Cross bred
Inherited
Pure bred
Recessive
An individual with two identical alleles for a trait is known as
Recessive
Dominant
Homozygous
Heterozygous
An individual with two different alleles for a trait is known as
Recessive
Dominant
Homozygous
Heterozygous
What refers to the physical appearance of a trait?
Recessive
Genotype
Dominant
Phenotype
What refers to the genetic makeup of a trait?
Recessive
Genotype
Dominant
Phenotype
Who is known as the Father of Genetics?
Hooke
Mendel
Linnaeus
Watson
Which is the best example of a recessive trait or condition?
Albinism
Dwarfism
Frekcles
Dimples
Genes are segments of which material?
DNA
RNA
Proteins
Carbohydrates
Which of the following best describes a gene?
It is made of RNA in the nucleus
It contains many chromosomes
It contains genetic information that codes for a single trait
It contains genetic information that codes for many traits
The genetic makeup of an individual's traits can best be defined as...
Genotype
Phenotype
Heterozygous
Homozygous
Which is the best example of a recessive trait?
Attached earlobes
Tongue rolling
Freckles
Dimples
What may contribute to genetic variation?
Asexual reproduction
Extinction
Cloning
A large gene pool
What may contribute to gene expression?
Environmental influences
Mutations
Chemicals
All of these
All of the following may contribute to phenotypes except
Inherited traits
Environmental influences
Alleles present
A test cross
An organism that has two of the same alleles for a trait is best described as
Recessive
Heterozygous
Homozygous
Dominant
An organism that has two different alleles for a trait is best described as
Recessive
Heterozygous
Homozygous
Dominant
