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WorksheetsDominant and Recessive Alleles
Total questions: 9
Worksheet time: 5mins
An allele is..
another word for a chromosome
a homozygous genotype
a heterozygous genotype
an available form of a gene
Alleles can be ..
dominant
recessive
both dominant and recessive
zygotes
Alleles can determine
your eye color
the flower color of pea plants
your hair type
all of these options
Which term means 2 or more of the same allele
hybrid
pure
heterozygous
none of these
Hybrids are represented with
2 capital letters
2 lower case letters
Roman numerals
one capital and one lower case letter
In mice black fur (B) is dominant to brown fur (b). A "Bb" mouse would be
brown
white
black
brown and black
This type of allele is expressed whether there are one or two copies present
dominant
recessive
homozygous
heterozygous
Genetic traits are determined by
genes
chromosomes
cells
all of these
These types of alleles are ONLY expressed if the organism has 2 copies
dominant
recessive
homozygous
heterozygous
