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30 questions
Which is in order from largest to smallest structure?
chromosome, DNA strand, gene, nucleotide
chromosome, gene, DNA strand, nucleotide
gene, DNA strand, chromosome, nucleotide
DNA strand, chromosome, gene, nucleotide
What do genes do?
make proteins
store energy
create covalent bonds
create hydrogen bonds
a change in the nucleotide-base sequence of a gene or DNA molecule that can affect the protein the DNA codes for
mutation
gene
chromosome
protein
mutagen
cell structures made of protein and DNA
ribosome
chromosome
protein
nucleotide
chromatin
A string of nucleotides that has information for making one trait is
a cell
an amino acid
a gene
a protein
What is a mutation?
a cell growing normally
a change in DNA's code
copying DNA
the building of proteins
Meiosis is the _____.
division of sex cells
division of body cells
A mode of reproduction by which an organism arises from a single organism and inherit the identical genes of that parent
Asexual Reproduction
Sexual Reproduction
Genetic Variation
Alleles
A mode of reproduction in which an organism arises from two organisms and inherits half of its DNA from each parent
Sexual Reproduction
Asexual Reproduction
Cloning
Fragmentation
California blackworms, also known as mudworms, are able to break apart. Each body section that broke apart is able to become an identical new worm. What type of reproduction does this example represent?
Sexual reproduction
Asexual reproduction
Mutations can benefit humans because they can:
Cause illness
Make an organism more suited to live in its environment.
Make organisms live shorter lives
Cause organisms to grow extra limbs.
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