Unit
2
Reproduction that
involves only one
parent and results in
genetically identical
offspring.
Gene
Biology Vocab
Express
Section of a chromosome
that code for a protein or
RNA molecule.
5
Process of isolating a
gene from the DNA of
one organism and
transferring it to the DNA
of another organism.
Asexual reproduction
2
Showing certain traits.
Genetic engineering
10
Unit 2 Vocabulary
Development
Train Game
“Answer Key”
Locomotive → 5 → 2
→ 10 → 6 → 15 → 11
→ 20 → 4 → 7 → 14
→ 9 → 12 → 18 → 17
→ 19 → 21 → 16 → 3
→ 8 → 1 → Caboose
Expression
The rule stating that in
DNA A on one strand
always pairs with T on
the opposite strand and
G always pairs with C.
Base-pairing rules
6
Gamete
15
Structure made of DNA
and associated proteins
on which genes are
located.
11
Haploid cell that
participates in fertilization
by fusing with another
haploid cell.
Chromosome
The process of copying a
DNA template strand.
20
Egg cell
Mutation
Mutation that adds extra
nucleotides to the genetic
code.
An alternative form of a
gene.
Allele
16
#
1
8
Female sex cell.
Heredity
Change in the DNA of a
gene or chromosome.
3
Sequence of nucleotides
that specifies the amino
acid sequence of a
protein.
Replication
The additional mixing of
genetic material from
gametes which results in
a unique combination of
genes.
Genetic code
4
Mutation that adds
extra nucleotides to
the genetic code.
9
Earth’s
Tilt
Sperm
Recombination
14
Male gamete.
Mutation that omits
nucleotides to the
genetic code.
7
21
19
17
Transmission of genetic
traits from parent(s) to
offspring.
Breeding offspring with
certain traits in hopes of
producing offspring with
desirable traits.
Mutation that replaces
certain nucleotides with
other nucleotides in the
genetic code.
12
Selective breeding
Substitution
Trait
Deletion
Reproduction in which
gametes from opposite
sexes or mating types
unite to form a zygote.
Sexual reproduction
Genetically determined
feature that is expressed by
an organism such as height
or hair color.
18