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WorksheetsBTMS 8th Grade- LS Unit Test Study Quiz
Total questions: 50
Worksheet time: 25mins
Read the statement and decide if it is an observation or an inference. The man is wearing a striped tie.
Observation
Inference
Read the statement and decide if it is an observation or an inference. The car seems to be a VW Bug.
Observation
Inference
Read the statement and decide if it is an observation or an inference. The man's tongue is sticking out.
Observation
Inference
Read the statement and decide if it is an observation or an inference. The dog is smarter than the human.
Observation
Inference
Read the statement and decide if it is an observation or an inference. The dog has long ears.
Observation
Inference
Read the statement and decide if it is an observation or an inference. The car is moving very fast.
Observation
Inference
Which of these are recorded during science experiments?
Observation
Inference
Which of these may be used when writing the conclusion of a lab report?
Observation
Inference
True or False: Humans and dogs have the same number of chromosomes.
True
False
How many pairs of chromosomes do humans have?
16
20
23
10
Chromosomes are coiled tightly so they will not get divided during cell division
True
False
Where are genes located?
Chromosomes
Nucleus
Hair
Blood
Which allele overpowers the other?
Recessive overpowers Dominate
Dominate overpowers Recessive
They are equal.
True or False: Genotype determines phenotype.
True
False
Brown eyes are dominant over blue eyes, however, two brown-eyed people can have a blue-eyed child if both of them are what?
Heterozygous
Homozygous Dominate
Homozygous Recessive
True or False: What an organism "looks like" is considered its Genotype?
True
False
True or False: A Genome is an organism's complete set of DNA
True
False
Toby the cat is homozygous recessive for short hair (hh) and Ruby the cat is also homozygous recessive (hh) for short hair. Is it possible for them to create a long-haired kitten?
Yes
No
Who is considered the father of genetics?
Charles Darwin
Gregor Mendel
Charles Watson
Francis Crick
How many chromosomes (not pairs) are in each human cell?
23
43
46
26
The four sub-molecules of DNA (A,T,G,C) form what?
Base Pairs
Twin Pairs
Proteins
Chromosomes
What is the base pair for Adenine?
Thymine
Cytosine
Guanine
The base pair for Guanine is?
Thymine
Cytosine
Adenine
What determines the function of DNA?
size
structure
color
usefulness
True or False: Using your 5 senses to gather information is also known as making an observation.
True
False
True or False: the development of ideas based on observations is also known as an inference.
True
False
Which is FALSE?
DNA is the molecule of life.
DNA is located inside cells.
DNA is thicker than a strand of human hair.
My DNA is unique to me.
True or False: Phenotype is observable physical characteristics.
True
False
True or False: Genotype is your genetic makeup.
True
False
The passing of traits from parents to offspring is called:
Genetics
Heredity
Hybrid
Purebred
What is another word for heterozygous?
Purebred
Hybrid
Allele
Genetics
An allele whose trait is masked (or hidden) by another allele is called:
Dominant
Recessive
Weak
Small
A blending of traits is known as
Dominant
Recessive
Incomplete Dominance
Polygenic
When the phenotype is influenced by more than one gene.
dominant
recessive
incomplete dominance
polygenic
What does the F1 generation represent?
original parents
offspring of the original parents
offspring of the F1 generation
offspring of the F2 generation
What does the F2 generation represent?
original parents
offspring of the original parents
offspring of the F1 generation
offspring of the F2 generation
What does the P generation represent?
original parents
offspring of the original parents
offspring of the F1 generations
offspring of the F2 generation
A gene that is expressed (or shows) only in the homozygous state.
dominant
heterozygous
homozygous
recessive
Pink flowers (F) are dominant to yellow flowers (f).
Widow's Peak (H) is dominant and Straight hairline (h) is recessive.
Brown eyes (B) are dominant. Blue eyes (b) are recessive.
Pink Flower
FF
ff
Pink flowers (F) are dominant to yellow flowers (f).
Widow's Peak (H) is dominant and straight hairline (h) is recessive.
Brown eyes (B) are dominant. Blue eyes (b) are recessive.
Straight Hair
HH
Hh
hh
Pink flowers (F) are dominant to yellow flowers (f).
Widow's Peak (H) is dominant. Straight hairline (h) is recessive.
Brown eyes (B) are dominant. Blue eyes (b) are recessive.
Bb
Brown Eyes
Blue Eyes
Choose either Dominant or Recessive.
M
Dominant
Recessive
Choose either Dominant or Recessive.
d
Dominant
Recessive
Tell whether they are homozygous dominant, homozygous recessive, or heterozygous.
AA
homozygous dominant
homozygous recessive
heterozygous
Tell whether they are homozygous dominant, homozygous recessive, or heterozygous.
ee
homozygous dominant
homozygous recessive
heterozygous
Tell whether they are homozygous dominant, homozygous recessive, or heterozygous.
Rr
Homozygous dominant
homozygous recessive
heterozygous
Wavy hair is a blending of curly hair ( the dominant trait) and straight hair (the recessive trait.)
Complete Dominance
Incomplete Dominance
Codominance
The dominant allele will overpower the recessive allele and the dominant trait will show
Complete Dominance
Incomplete Dominance
Codominance
Genes are not dominant or recessive, a blending of traits
Complete Dominance
Incomplete Dominance
Codominance
A relationship between alleles in which both alleles for a gene are fully expressed.
Complete Dominance
Incomplete Dominance
Codominance
