WorksheetsGenetics!
Total questions: 17
Worksheet time: 9mins
An example of a dominant trait is:
brown eyes
blue eyes
blonde hair
red hair
A (a) trait is the version that usually gets covered up, like blue eyes.
Any change in a gene is called a
disease
mutation
recessive
trait
A new organism produced by one or more parents is an
newborn
trait variation
offspring
gene
True or False: Selective breeding is controlled by humans.
True
False
You _______ your traits from your mom and dad.
inherit
choose
control
blend
Trait _____ are the different ways a trait can appear, like different hair colors.
dominance
variations
combinations
Where is the genetic material located in our bodies?
In our brains
In the nucleus of our cells
In the cytoplasm of our cells
In our blood
How many chromosomes do humans have?
26
23
46
52
The basic unit of heredity is a
chromosome
gene
cell
DNA
DNA is organized into
chromosomes
cells
atoms
genes
Genes are _____ than DNA.
bigger
smaller
A specific segment of DNA that codes for a trait is a
chromosome
nucleus
gene
trait
The outside of ALL cells that controls what comes in and out of the cell is the
cell wall
cytoplasm
cell membrane
vacuole
Which cell parts are only present in a PLANT CELL? (choose all that apply)
cytoplasm
cell wall
chloroplast
mitochondria
Which organelle breaks down food and turns it into energy for the cell?
mitochondria
large central vacuole
cytoplasm
nucleus
The _____ is the brain of the cell.
chloroplast
cell wall
cell membrane
nucleus
