Topic 3 Vocab
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Trait
An expression of a characteristic (Ex. blue eyes)
Allele
Different forms of a gene
Gene
A sequence of DNA nucleotides that is the basic physical and functional unit for heredity
Sexual Reproduction
Reproduction in which parents provide each half of the genetics for their offspring
Characteristics
A feature of an organism (Ex. eye color)
Nucleotides
The building blocks of DNA (and ultimately chromosomes)
Phenotype
Observable characteristics/traits of a genotype (Ex. Brown hair). Can be a combination of traits
Mitosis
Cell division in which identical cells are created from a single parent
Asexual Reproduction
Reproduction in which offspring have genetic material that is identical to their parent
Fertilization
The process that combines the male and female sex cells to produce a zygote
Genotype
The full set/sequence of genetic material of an organism. Genes make up the genotype
Heterozygous
A chromosome made of two different alleles Heterozygous – Aa
Translation
“Reading” RNA (mRNA) to create amino acids (proteins)
Meiosis
Cell division in which each sex cell (gametes) has half the DNA of its parent
Homozygous
A chromosome made of the same alleles