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WorksheetsPreAP Biology Review Unit 6
Total questions: 17
Worksheet time: 18mins
What term is used to describe a version of a gene?
allele
genotype
phenotype
heterozygous
What term is used to describe an organism that carries two identical alleles for a gene?
dominant
recessive
homozygous
heterozygous
What term is used to describe an organism that carries two different alleles for a gene?
dominant
recessive
homozygous
heterozygous
What term is used to describe the observable features of an organism due to its genotype?
inheritance
phenotype
dominant
allele
Gary and Fiona are both healthy but produce a child with a genetic disease caused by a recessive allele.
Which of the following must be true?
The child could be heterozygous
Gary is homozygous and Fiona is heterozygous
Gary and Fiona are both homozygous
Gary and Fiona are both heterozygous
A person has the genotype Aa.
What is the correct description of this genotype?
heterozygous, with two different alleles of the same gene
heterozygous, with two different genes of the same allele
homozygous, with two different alleles of the same gene
homozygous, with two different genes of the same allele
The pedigree chart shows the inheritance of a genetic disorder in a family.
What conclusion can be made about this genetic disease?
The genetic disorder is dwarfism
It is caused by a dominant allele
It is caused by a recessive allele
It is caused by codominant alleles
The pedigree chart shows the inheritance of a genetic disorder in a family.
What conclusion can be made about this genetic disease?
The genetic disorder is dwarfism
It is caused by a dominant allele
It is caused by a recessive allele
It is caused by codominant alleles
In a certain plant, the allele fo white fruit (W) is dominant over the allele for yellow fruit (w).
A white-fruited plant was crossed with a yellow-fruited plant.
About half of the offspring were white-fruited and the other half were yellow-fruited.
Which genotypes did the parent plants have?
ww and www
Ww and ww
WW and ww
WW and Ww
How many alleles for each gene are carried in all body cells?
1
2
3
4
Any characteristic that can be passed from parent to offspring.
Heredity
Genetics
Phenotype
Trait
The study of heredity.
Heredity
Biology
Genetics
Inheritance
The father of genetics.
Anton von Leuenhoek
Galileo
Charles Darwin
Gregor Mendel
A tool used to help solve genetic problems.
Punnett Square
Beaker
DNA Warp Core
Karyotype
How many chromosomes do humans have?
46
23
96
21
43
