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WorksheetsBasic Genetics Vocab
Total questions: 24
Worksheet time: 13mins
Alleles symbolized by a lowercase letter (r).
recessive
dominant
Alleles symbolized by an uppercase letter (R).
recessive
dominant
The pair of alleles an individual has for a trait.
Genotype
Phenotype
Chromotype
Karyotype
Term that means "same genes."
Homozygous
Heterozygous
Term that means "different genes."
Homozygous
Heterozygous
Choose the heterozygous genotype.
Hh
hh
HH
Choose the homozygous recessive genotype.
Hh
hh
HH
Choose the homozygous dominant genotype.
Hh
hh
HH
Genotype codes for the physical expression of a trait. This is called ___________.
phenotype
holotype
karyotype
allotype
A green pea plant (Gg) is crossed with a yellow pea plant (gg). Describe the genotype of the offspring.
50% heterozygous and 25% homozygous recessive
50% heterozygous and 50% homozygous recessive
100% homozygous recessive
25% heterozygous and 50% homozygous
A tall plant (TT) is crossed with a tall plant (Tt). What is the phenotype of the offspring?
100% tall
50% TT, 50%Tt
100% short
50% tall, 50% short
A genotype with two of the same alleles for a trait
Homozygous
Heterozygous
Allele
Gene
A genotype with two different alleles for a trait.
Heterozygous
Homozygous
Dominant allele
Recessive allele
AA
Aa
having two identical alleles for a particular gene (HH, hh)
heterozygous
homozygous
multiple alleles
trait
BB
Homozygous
Heterozygous
Bb
Homozygous
Heterozygous
bb
Homozygous
Heterozygous
Heterozygous
Tt
tt
TT
Homozygous
tt
Tt
TT
Homozygous dominant
TT
Tt
tt
Homozygous Recessive
FF
Ff
ff
Heterozygous
Gg
GG
gg
