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WorksheetsScience CH 3.1 Quiz Review
Total questions: 17
Worksheet time: 9mins
Traits are passed from parent to offspring
Hereditary
Acquired
Learned
Learned traits are also called
manipulated
environmental
acquired
Segments of DNA that determine an organism's traits
Chromosomes
Mutations
Genes
DNA is located
on top of cells
in the nucleus
inside ribosomes
Which traits are found in jeans?
None
All of them
Which traits are found in genes?
Inherited
Acquired
None
The phosphate part of DNA determines the genes
Why is there an exact copy when DNA replicates?
The ribosomes know where to line up
There is no exact copy
The bases always pair up in the the same combinations
Sometimes DNA is not replicated into an exact copy. Why?
Traits are manipulated
Cells are misshaped
Chromosomes are lost
Mutations
Blood cells are misshaped with this diseases
Hemophelia
Cystic fibrosis
Sickle cell anemia
Mutations can be harmful, helpful, or have no effect on an organism.
A spider spinning its web is
an acquired trait
an inherited trait
a mutation
Extra chromosomes results in physical and mental changes
What is a chromosome?
A trait where a mutation has occurred
short, thick coils of DNA
An error that happens during replication
How many pairs of chromosomes do humans have?
46
23
How many chromosomes do humans have?
46
23
Complete the DNA sequence:
ATT GCA CCT
GTG CTT GCA
TAA CGT GGA
ATT GCA CCT
CCT GCA ATT
