NEW
Font size
WorksheetsGenetics Refresher!
Total questions: 25
Worksheet time: 19mins
This scientist studied pea plants and was considered to be the "Father of Genetics".
Reginald Punnett
Gregor Mendel
Charles Darwin
Rosalind Franklin
How many PAIRS of chromosomes exist in each of your cells?
10
12
23
46
Segments of DNA that code for specific traits are referred to as:
RNA
genes
DNA splicing
Chromosome
Which option lists the three items in order from SMALLEST to LARGEST?
Chromosome - DNA - Gene
Gene - DNA - Chromosome
DNA - Gene - Chromosome
Chromosome - Gene - DNA
The genotype is:
the genetic makeup of an organism.
the physical appearance of an organism.
the deletion of a chromosome.
the passing of traits from parent to offspring.
The physical appearance of an organisms is also referred to as:
genotype
phenotype
chromosome
incomplete dominance
What is an allele?
A gene
A genotype
A phenotype
Different forms of a gene
Which of the following is true regarding inheriting traits:
Dominant traits are less likely to be seen.
You must have only one recessive gene in order to express the trait.
The recessive trait always is seen over the dominant trait.
Dominant traits are more likely to be expressed because you only need one gene.
The trait that will be expressed if its present in the genotype.
Recessive
Dominant
Pedigree
Punnett square
Which of the following will result in the DOMINANT trait being expressed?
gg
aa
Gg
tt
Which of the following will result in the RECESSIVE trait being expressed?
GG
Ll
aa
BB
Which genotype would be classified as "homozygous dominant"?
ee
Tt
RR
Which genotype would be classified as "heterozygous"?
Bb
AA
rr
LL
Which genotype would be classified as "homozygous recessive"?
RR
Bb
EE
ee
The genotype for a yellow plant is...
Brown (B) is dominant over white (b). Which is a homozygous GENOTYPE of BROWN FUR?
BB
Bb
bb
B
B = brown eye allele
b = blue eye allele
Two brothers both have brown eyes - one has the genotype BB, while the other has the genotype Bb. Which of the following is TRUE about the two brothers?
they have same phenotype and genotype
they have different genotypes and phenotypes
they have same phenotype but different genotypes
they have same genotype but different phenotypes
If freckles (F) is dominant to no freckles (f), what would be the phenotype of this genotype:
Ff
No Freckles
Freckles
Heterozygous
Homozygous recessive
Homozygous dominant
If pink flowers (f) is recessive to white flowers (F), what would be the genotype of a white flowered carrier?
FF
Ff
ff
White flowers
Pink flowers
If green eyes (G) are dominant to blue eyes (g), what would be the genotype of a purebred Green-eyed person?
Homozygous recessive
Heterozygous
Green-blue eyes
GG
Gg
