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WorksheetsGenetics
Total questions: 11
Worksheet time: 6mins
What is a trait?
A physical characteristic passed down from your mom
A behavioral characteristic passed down from your dad
A physical or behavioral characteristic passed down from your parents
A behavioral characteristic passed down by your mom
What is an allele?
A trait
Different forms of a gene
DNA
Different types of parents
What is a genotype?
Pair of alleles that determine a specific trait
Observable physical trait
A trait that is observed with only one copy of an allele
What is a phenotype?
Pair of alleles that determine a trait
Observable physical trait
Different forms of a gene
What is a dominant gene?
A trait that is observed when there are one OR two copies of the allele
A trait that is observed only when there are two copies of the allele
A trait that can be hidden in a generation
A person who is homozygous for a trait can have a genotype of....
AA, Aa
Aa, aa
AA, aa
aa
If a person is heterozygous for a trait, their genotype can be...
Aa
AA, aa
AA, Aa
AA
If "B" represents brown hair, and "b" represents blond hair, what will the genotype be for a homozygous brown haired person?
BB
Bb
bb
If "B" is brown and "b" is blond, what is the phenotype of someone who's genotype is "bb"
Brown Hair
Blond Hair
Red Hair
P= purple petals and p= white petals. What genotype(s) would result in purple petals?
pp
Pp, pp
PP, Pp
PP, pp
How many copies of the recessive gene must there be for that phenotype to show up?
1
2
3
4
