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WorksheetsHeredity and Genetic Traits
Total questions: 20
Worksheet time: 20mins
Which piece of genetic information looks like a long twisted/coiled ladder?
Chromosome
DNA
ATP
Nucleus
Which genotype is hetrozygous?
Bb
BB
DD
dd
Which genotype is homozygous dominant?
Bb
bb
BB
Dd
Which is NOT an example of a phenotype?
black fur
blue eyes
brown hair
bb
Which genotype is homozygous recessive?
Bb
BB
bb
brown eyes
Which of the following traits is encoded in your DNA?
Your personality
Your likes and dislikes
Your intelligence
Your eye color
Which of the following statements is true?
Your set of DNA is the same as your siblings'
Your set of DNA is the same as your mother's
Your set of DNA is the same as your father's
Your set of DNA is unique to you
_____________________ is the physical appearance of an organism (how it looks)
phenotype
ratio
recessive trait
heredity
Dominant or recessive?
tt
Dominant
Recessive
Dominant genes are represented by a ________
Male gene
lowercase letter
recessive trait
capital letter
When the two alleles of a gene are different
Heterozygous
Homozygous
Phenotype
Genotype
The two alleles that control the phenotype
phenotype
genotype
allele
gene
The different forms of a gene
trait
phenotype
genotype
allele
The brown eye trait is dominant over blue eyes. Which of the following genotypes best represents the phenotype for blue eyes?
BB
Bb
bb
bB
T - tall and t = short
In the Punnett square, what belongs in the missing square?
tt
Tt
TT
G = green, g = yellow
The genotype for a yellow plant is...
GG
Gg
gg
all of the choices result in yellow
Aa, DD, Ba, and yy are all examples of ---
genotypes
phenotypes
Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?
25%
50%
75%
100%
