WorksheetsGenetics Review
Total questions: 22
Worksheet time: 11mins
the passing of physical characteristics from parents to offspring
fertilization
genetics
heredity
traits
the scientific study of heredity
fertilization
genetics
heredity
traits
when an egg and a sperm join to form a new organism
fertilization
genetics
heredity
traits
the factors that control a trait
alleles
genes
Punnett Squares
traits
the different forms of a gene
alleles
genes
Punnett Squares
traits
a chart that shows all the possible ways alleles can combine in a genetic cross.
alleles
genes
Punnett Squares
traits
An organism’s physical appearance
genotype
heterozygous
homozygous
phenotype
An organism that has two identical alleles for a trait
genotype
heterozygous
homozygous
phenotype
An organism that has two different alleles for a trait
genotype
heterozygous
homozygous
phenotype
An organism’s genetic makeup
genotype
heterozygous
homozygous
phenotype
Recessive alleles show when the dominant allele is present.
TRUE
FALSE
Homozygous and heterozygous describe the genotype of an organism.
TRUE
FALSE
The laws of probability predict what will definitely occur.
TRUE
FALSE
Which generation included purebred plants?
Parent (P)
First (F1)
Second (F2)
Which generation included both homozygous and heterozygous plants?
Parent (P)
First (F1)
Second (F2)
Which generation included only tall plants?
Parent (P)
First (F1)
Second (F2)
Select every generation that could possibly contain a heterozygous plant.
Parent (P)
First (F1)
Second (F2)
What is the probability the offspring will be short?
0% or 0/4
25% or 1/4
75% or 3/4
100% or 4/4
What is the probability the offspring will be tall?
0% or 0/4
25% or 1/4
75% or 3/4
100% or 4/4
What is the most likely genotype?
Tt
tt
Short
Tall
What is most likely phenotype?
Tt
tt
Short
Tall
What is the probability the offspring will be heterozygous?
0% or 0/4
25% or 1/4
75% or 3/4
100% or 4/4
