WorksheetsGenetics Unit
Total questions: 15
Worksheet time: 10mins
What is this model used to determine?
The probability of a trait being passed on
How many offspring will be produced by a crossing event
The number of chromosomes that a parent will pass on to an offspring
The probability that twins will be produced
Parent's contribute _____ of their genes to the offspring (during sexual reproduction)
1/3
3/4
1/2
1/4
Out of the 4 options, which is the smallest structure?
Cell
Gene
Nucleus
Chromosome
Each body cell of a Blue King Crab contains 104 chromosomes. How many chromosomes are contained in a Blue King Crab sex cell?
46
23
60
52
A gene is...
A structure that carries a single unit of hereditary information, composed of DNA
A double-stranded molecule composed of genetic material
An organelle that contains genetic material
A specialized cell produced through mitosis
Choose 2 statements that accurately describe asexual reproduction
Requires 1 parent
Requires 2 parents
Produces genetically identical offspring
Produces genetically unique offspring
Compared to the amount of chromosomes in a human body cell, a human sex cell contains (a) of the amount of chromosomes. Write a fraction.
Draw the structure of DNA
What percentage of offspring are predicted to show the dominant trait in this cross?
25%
50%
75%
100%
Key:
A - Red fur
a - White fur
What percentage of offspring are predicted to have white fur?
100%
25%
50%
0%
Complete the Punnett Square provided to show the crossing of two Bb parents.
What type of reproduction does this diagram represent?
Sexual Reproduction
Asexual Reproduction
What is the genetic makeup of the parents?
gg x GG
gg x Gg
Gg x Gg
Gg x GG
What is the name of this diagram?
Pedigree Chart
Punnett Square
Complete the Punnett Square
