WorksheetsIntro To Genetics
Total questions: 25
Worksheet time: 17mins
Dominant alleles are written with:
Upper case always
Lower case always
Recessive alleles are written with:
Upper case always
Lower case always
Homozygous dominant
FF
Ff
ff
Homozygous recessive
FF
Ff
ff
Heterozygous
FF
Ff
ff
Free earlobes (F) are dominant to attached earlobes (f).
State phenotype for FF.
free earlobes
attached earlobes
Free earlobes (F) are dominant to attached earlobes (f).
State phenotype for Ff.
free earlobes
attached earlobes
Free earlobes (F) are dominant to attached earlobes (f).
State phenotype for ff.
free earlobes
attached earlobes
No hair on fingers (h) is recessive to hair on fingers (H).
State the phenotype for hh.
Hair on fingers
No hair on fingers
No hair on fingers (h) is recessive to hair on fingers (H).
State the phenotype for HH.
Hair on fingers
No hair on fingers
Cleft chin (E) is dominant to smooth chin (e).
State the genotype(s) for smooth chin.
EE only
ee only
Ee only
Both Ee and ee
What type of Genotype is this: AA?
Homozygous
Heterozygous
What type of Genotype is this: Aa?
Homozygous
Heterozygous
What type of Genotype is this: aa?
Homozygous
Heterozygous
What type of Genotype is this: pp?
Homozygous
Heterozygous
An observable characteristic in an organism is...
Trait
Undefinable
Cell
DNA
A segment of DNA that codes for a trait is a ...
Gene
Centromere
Chromosome
Chromatid
Variations in the same gene between different individuals (like blue eyes vs. brown eyes) are called...
Alkaloids
Alleles
Anime
Aliens
Humans have _______ pairs of chromosomes, for a total of _______ chromosomes.
10, 20
25, 100
23, 46
46, 92
A version or variation of a gene
trait
gene
allele
DNA
The alleles that an organism has/inherits are its
genotype
phenotype
chromosome
recessive
The observable expression of a trait is its
phenotype
genotype
chromosome
allele
Hair color and eye color are examples of a person's....
recessive traits
dominant alleles
genotype
phenotype
