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WorksheetsGenetics and Heredity
Total questions: 20
Worksheet time: 10mins
Genetics is the study of:
genes and traits we inherit from our parents.
food animals like to eat.
The word inherit means:
happy
to get from parents.
Offspring means:
babies and newborn animals.
exercise.
Traits are determined by genes and we can see them.
false
true
Heredity is:
the passing of traits from parents to offspring.
a class at BHS.
A gene is a:
long part of DNA.
a short part of DNA.
Chromosomes are made up of:
DNA.
string.
Humans have 23 pairs of chromosomes.
true
false
The last chromosome pair in females is:
X X
X Y
The last chromosome pair in males is:
X X
X Y
A dominant gene is a:
strong gene. - It only needs to come from one parent to be visible.
a weak gene.
A recessive gene is a:
weak gene. It is only visible when it comes from both parents.
strong gene.
All living things are made up of:
bubbles.
cells.
To reproduce means:
to create a new animal, plant or baby.
to build a car.
Gregor Mendel studied how traits get passed on.
yes
no
Egg cells are produced by:
the male.
the female.
Sperm cells are produced by:
the male.
the female.
Egg cells and sperm cells are special because:
each cell has all the DNA to create new life.
each cell has half the DNA to create new life.
The word visible means:
you can't see it.
you can see it.
The word invisible means:
you can see it.
you cannot see it.
