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WorksheetsHeredity and Traits Review
Total questions: 15
Worksheet time: 15mins
having two different genes for a trait (sometimes called hybrid).
protein
homozygous
heterozygous
genotype
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
0 %
25%
50%
75%
One form of a gene is called_______________
a DNA
a Phenotype
a trait
an allele
Which of the following genotypes is a purebred?
Bb
Gg
bb
Dd
Dominant alleles are-
capital
lowercase
both
neither
Recessive alleles are-
capital
lowercase
both
neither
How are individuals I-2 and III-5 related?
Grandpa and grandson
Mom and son
Uncle and nephew
Grandma and grandson
What do half colored symbols represent?
The individual is a carrier (heterozygous).
The individual expresses the trait.
The individual has both recessive alleles.
The individual has both dominant alleles.
the genetic code for the gene
phenotype
genotype
homozygous
the process by which traits are transferred from parent to offspring
learned behavior
heredity
physical trait
gene
a characteristic that a living thing gets from its parents through genetic material
biological parent
offspring
inherited trait
DNA
a characteristic that describes the way something looks
learned behavior
heredity
physical trait
gene
Which of the following is an example of a phenotype?
A) The sequence of DNA in a gene
B) The color of a flower
C) The presence of a recessive allele
D) The number of chromosomes in a cell
In a dihybrid cross between two heterozygous parents (AaBb), what is the probability of obtaining an offspring with the genotype Aabb?
A) 1/16
B) 1/8
C) 1/4
D) 3/16
Which of the following best describes the role of DNA in heredity?
A) DNA is a protein that catalyzes chemical reactions
B) DNA is a lipid that stores energy
C) DNA contains the instructions for building proteins
D) DNA is a carbohydrate that provides structural support
