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DNA and Genes

Science vocab

TermDefinition
Heterozygous recessive Heterozygous means having two different versions (alleles) of a gene. A recessive trait only shows up if an individual has two copies of that recessive allele.
Homozygous Dominant Homozygous dominant refers to a genetic condition where an individual inherits two identical, dominant versions (alleles) of a specific gene from both biological parents.
Homozygous recessive A homozygous recessive trait occurs when an individual inherits two identical, recessive versions (alleles) of a specific gene from both parents
Heterozygous Dominant Heterozygous dominant refers to a genetic combination where an individual inherits two different versions (alleles) of a specific gene from their parents—one dominant and one recessive
Cells A basic building block of life
Is not a reason cells reproduce Movement
Chromozone A long strand of DNA containing genetic information
DNA A childs dna will show similarites to both the mother and fathers DNA
A gene A section of a chromozone or a long piece of DNA
What does DNA look like A twisted ladder with two sides
Three parts of a nucleotide Nitrogen base, pentose sugar, phosphate group
DNA is made out of...... Phosophates and sugar
The four nitrogen bases Adenine (A), Thymine (T), Guanine (G), Cytosnine (C)
Function of DNA DNA holds the directions for what we look like, physical traits
DNA molecule that makes us what we look like The proteins are the things that give us our physical traits
What happens when there is a change in DNA Mutation
What does TT mean Homozygous Dominant
Phenotype Physical traits
Genotype Specific combination of gene (alleles)
Created by: OPMSBG64
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