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Heredity & Genetics

What is Heredity? the process through which traits are passed from parents to offspring
What does DNA stand for? Deoxyribonucleic Acid
What is DNA? molecule found in the nucleus of a cell and is shaped like a double helix
What are Chromosones? rod-shaped structures that form from DNA
What is a Gene? short segment of DNa that determines a trait of an organism
What are Nucleotides? basic units of DNA
What is a Trait? a charcteristic
What is Genetics? the study of heredity
What is a Purebread? always produces offspring that have the same trait
Who is Gregor Mendel? the founder of genetics
What are Alleles? the different forms of gene
What does Dominent mean? always shows up in an organism even when the other allele is present
What does Recessive mean? hidden whenever the dominant allele is present
What is a Hybrid? has two different alleles for a trait
What represents a Donominant Allele? a capital letter
What respresents a Recessive Allele? a lowercase letter
What is Probability? a number that tells how likelu it is that something will happen
What is a Punnett Square? a chart that shows all the possible combinations of alleles that can occur in a genetic cross
How do Genetics use Punnett Squares? to predict the results of a cross
What is a Pheneotype? the way an organism looks
What is a Genotype? the genetic makeup or combination of alleles in an organism
What is Homozygous? an organism that has two of the same alleles for a trait (purebread)
What is Heterozygous? an organism with two different alleles for a trait (hybrid)
What is Codominance? when the alleles are neither dominant nor recessive
What are Inherited Traits? traits that are passed down by parents to offspring
What determines traits? Genes
Where are Genes located? on chromosones
Created by: jhart33