Font size
WorksheetsInheritance and Variation
Total questions: 21
Worksheet time: 14mins
Long, tightly-wound, strands of DNA are called.....
genes
chromosomes
traits
Different versions of a gene are called........
variations
traits
alleles
chromosomes
A characteristic passed from parent to offspring
variation
inherited trait
gene
chromosome
The difference that occurs from a mixture of genes
variation
inherited trait
gene
chromosome
The offspring of asexually reproducing organisms have genes that are _________ to that of their parent.
diifferent
identical
The offspring of sexually reproducing organisms have genes that are ________ from that of their parents.
different
identical
Humans inherit traits from their
parents
children
brothers and sisters
In sexually reproducing organisms, each parent contributes ___________ of the genes acquired by the offspring.
all
half
none
What type of diagram to genetics use to predict genotype and phenotypes percentages of potential offspring?
Venn Diagram
Punnett Square
Frayer Model
A dominant allele is represented with a
capital letter
lowercase letter
A recessive allele is represented with a
capital letter
lowercase letter
If an individual's genotype for eye color is (Bb) what color will their eyes look if (B) is dominant and represents brown eyes and (b) is recessive and represents blue eyes?
brown eyes
blue eyes
Which trait will show if an individual has 1 dominant and 1 recessive allele for a trait?
the dominant trait
the recessive trait
What is an example(s) of a phenotype? (SELECT ALL THAT APPLY)
Curly Hair
GG
Gg
Straight Hair
Double eyelids are dominant (E) to normal eyelids (e). What is the genotype(s) for someone who has double eyelids?
ee
Ee, ee
EE, Ee
EE
Widows peak is recessive (w) to straight hair (W). What would be the corresponding phenotype for an individual who expresses the genotype (Ww).
Widows Peak
Straight
In the punnett square below, what belongs in the missing square
Hand span is an example of continuous variation whereas the presence of dimples is an example of what variation?
(a)
