All About DNA
Traits
Famous People
Genetic Vocabulary
DNA Structure
100
Nucleic acid that contains coded instructions for genetic traits that are passed on.
What is the DNA?
100
______ is a characteristic or feature. For example, brown hair, blue eyes, black hair
What is a trait?
100
He is known as the father of genetics.
Who is Gregor Mendel?
100
_____ is the study of heredity or the passing of traits to your children (offspring).
What is genetics?
100
______ are the building blocks of DNA.
What is a nucleotide?
200
Double spiral helix
What is the shape of DNA?
200
This trait is always expressed if present because it is stronger.
What is a dominant trait?
200
This female was the first to take an X-ray photo of DNA that showed its twisted shape.
Who is Rosalind Franklin?
200
An ____ is a form of a gene.
What is allele?
200
A nucleotide has these three parts,
What are phosphate groups, sugars, and nitrogen bases?
300
Nucleus
What is the location of DNA?
300
This trait is only expressed when there are two present.
What is the recessive trait?
300
They discovered the structure of DNA
Who is James Watson and Francis Crick?
300
Your actual gene combination (the letters) that you can not see are _________.
What is a genotype?
300
Adenine (A), Thymine (T), Guanine (G), and Cytosine (C). A pairs with T ((AT or TA), and G pairs with C (GC or CG).
What are nitrogen bases and their pairs?
400
They are rod shaped structures of DNA located in the nucleus .
What are chromosomes?
400
These two letters (TT) represent a _______ trait.
What is dominant?
400
______ pictures showed the sugars and phosphates of the DNA molecule.
Who is Rosalind Frank?
400
Characteristics that you can see (physical) such as red hair, freckles, or dimples are called _____.
What is phenotype?
400
Legs of the DNA ladder = alternating phosphates and sugars Steps of the DNA ladder = nitrogen base pair (AT or GC).
How is the nucleotide arranged?
500
A copying error or change in DNA that causes new traits to form.
What are mutations?
500
These letters (yy) represent a ________ trait.
What is recessive?
500
_____ experimented with pea plants and developed the concept of dominant and recessive genes.
Who is Gregor Mendel?
500
When both genes are the same (RR), you are _______, and when both genes are different (Rr), you are _______.
What is homozygous and heterozygous?
500
Your order of nitrogen bases make you different from everyone else.
What is the genetic code?
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