DNA
What does DNA stand for?
Deoxyribonucleic acid
What does meiosis do?
Meiosis makes sperm and egg cells
What does mitosis result in?
Two identical daughter cells
What is heredity?
Heredity is the passing of physical and mental characteristics from one generation to another through genes.
What are chromosomes?
Chromosomes are and entire string of DNA, along with a group of stabilizing proteins
Where can DNA be found?
DNA may be found in the cell nucleus
What is produced during meiosis?
DOUBLE
Gametes are produced during meiosis
What is mitosis used for?
To grow and repair cells
___ is the study of heredity
Genetics is the study of heredity
What "unzips" the DNA double helix?
DOUBLE
Key Enzyme "unzips" the double helix
What are the four chemical bases?
Adenine, Guanine, Cytosine, and Thymine
What does meiosis result in?
Meiosis results in four haploid daughter cells that aren't identical.
Why is mitosis important?
DOUBLE
Without mitosis, humans wouldn't have new cells and when the old cells break down, they can't be repaired
You get 23 of what from each of your parents?
From your parents, you get 23 chromosomes
(46 in total)
What is a genotype?
Genetic information
What are the three basic steps of DNA replication?
DOUBLE
1. Opening of the double helix and seperating of the DNA strands
2. Priming of the template strand
3. Assembling the new DNA segment
Meiosis is required for what?
Meiosis is required forsexual reproduction
The _____ number does not change
The chromosome number does not change
Traits and characteristics are passed from one generation to another through ___?
Genes
What does A pair with?
T
What instructions does DNA contain?
DNA has the instructions for and organism to develop, survive, and reproduce
What process involves homologous chromosomes to exchange portions of their chromatids?
Crossing over
What could happen if mistakes were made during mitosis?
If a mistake were to occur during mitosis, it could lead to very severe genetic disorders/problems
What are 5 characteristics of heredity?
DOUBLE
Ex: Eye color, skin tone, dominant hand, blood type, height, hair color, freckles, and more
What is the sugar phosphate backbone?
Structure to the double helix