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WorksheetsGenetics
Total questions: 30
Worksheet time: 1hrs 9mins
A homozygous dominant red flower and a heterozygous red flower cross. (white = recessive) What is the parent cross?
RR x rr
RR x Rr
rr x Rr
Rr x Rr
A homozygous dominant red flower and a heterozygous red flower cross (white = recessive). Find the correct allele for homozygous dominant
RR
Rr
rr
A homozygous dominant red flower and a heterozygous red flower cross. (white = recessive) Find the correct genotype for heterozygous red
Rr
RR
rr
red
A homozygous dominant red flower and a heterozygous red flower cross. (white = recessive). Which offspring CAN'T be made?
red
white
What does a Punnett Square show outside the boxes? (left image)
parent genotypes
offspring genotypes
parent phenotype
offspring phenotype
What does a Punnett Square show inside the boxes? (left image)
parent genotypes
offspring genotypes
parent phenotype
offspring phenotype
R = Blue r = white. A blue bird and white bird mate and have all pale blue babies. What inheritance pattern?
complete
incomplete
codominance
sex-linked
B = Blue b = white A blue lizard (BB) and white lizard (bb) mate and have all blue babies. What inheritance pattern?
complete
incomplete
codominance
sex-linked
B = Blue b = white A blue lizard (BB) and white lizard (bb) mate and have all blue baby lizards with white spots in a polka dot fashion. What inheritance pattern?
complete
incomplete
codominance
sex-linked
Hemophilia is a sex-linked recessive disorder. What is the genotype of an affected (has disease) mom?
rr
XR Xr
Xr Xr
XR Y
Hemophilia is a sex-linked recessive disorder. What is the genotype of an affected dad?
rr
XR Xr
Xr Xr
Xr Y
height is a trait that is influenced by the
environment only
genetics only
both genetics and environment
blood type is a trait that is influenced by the
environment only
genetics only
both genetics and environment
getting a tattoo is influenced by the
environment only
genetics only
both genetics and environment
When several different genes influence a single trait, such as height, it is called
codominance
multiple alleles
polygenic
having freckles is influenced by the
environment only
genetics only
both genetics and environment
