Science worksheets for class 8
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What types of living organisms have no genetic material at all?
Insects
Bacteria
Plants
All living organisms have genetic material
Which of the following is an example of a beneficial mutation?
When an organism's lifespan becomes shorter.
When an organism becomes unable to reproduce.
When an organism's body becomes deformed.
When an organism develops immunity to a disease.
A parent that has a mutation to their skin cells can pass this mutation to their offspring
True
False
A permanent change in the DNA sequence
which can affect a single gene or group of genes
Homeostasis
Somatic Cell
Chromosomal Mutation
Gene Mutation
What mutation has occurred here?
T-G-A-C-C-A
T-G-A-G-C-A
Substitution
Deletion
Insertion
Frameshift
Original: ATC CAT
Mutation: ATC GCAT
What mutation occurred?
deletion
insertion
silent
transverse
DNA molecule segment is : TTA-CGC-AAG
The mutated DNA segment is TTC-GCA-AG. This is an example of ___ mutation.
Substitution
Deletion
Insertion
Inversion
Mutations can be...
Harmful
Beneficial
Neutral
All of the Above
Mutations are...
Changes in the sequence of DNA
Broken chromosomes
Bad genes
What is a type of Mutation?
Deletions
Insertions
Substitutions
All of the Above
Mutations are SOMETIMES helpful to the organism.
true
false
True or false, mutations create genetic diversity?
True
False
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