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WorksheetsTraits and inheritance quiz
Total questions: 15
Worksheet time: 17mins
What are the two forms of a gene called?
phenotype
genes
albinism
alleles
What are both inherited alleles together called?
an organism
homozygous
heterozygous
a genotype
What is a phenotype?
the way an organism looks
an inherited problem
a group of 5 alleles
a recessive gene
What do scientists call instructions for an inherited trait?
alleles
phenotype
genes
albinism
What is a Punnett Square used for?
to show recessive traits
to show possible offspring
to show dominant traits
to show homozygous alleles
What kids of plant has two dominant genes?
an organism
a genotype
homozygous
heterozygous
What type of plant has one dominant gene AND one recessive gene?
an organism
heterozygous
homozygous
a genotype
What is the chance of a parent with one green allele and one blue allele giving a blue allele to an offspring?
100% chance
75% chance
50% chance
25% chance
What is the probability of rolling a four on a ten-sided die (numbered 1-10) two times in a row?
What is it called when each allele has its own degree of influence?
incomplete dominance
complete dominance
cross-breeding
probability
What can influence traits besides genes?
height
albinism
environment
phenotype
What would the GENOTYPE be for a person that is HOMOZYGOUS DOMINANT for the trait represented with the letter D?
DD
Dd
dimples
dd
Parents are Bb x Bb. What is the chance their offspring will have the dominant trait? (HINT, draw a Punnett square to help you)
75%
25%
0%
100%
What would the GENOTYPE be for a person that is HOMOZYGOUS RECESSIVE for this trait? D=DIMPLES & d=NO DIMPLES.
DD
dd
Dimples
no dimples
What would the PHENOTYPE be for a person that is HOMOZYGOUS RECESSIVE for this trait? R=NO widow's peak & r=widow's peak.
widow's peak
RR
rr
no widow's peak
