Genetics 1
What is the name of the molecule that carries genetic information?
DNA
If one allele hides the other, it is called what?
Dominant
Brown eyes and blue eyes are examples of what?
Inherited Traits
If a trait skips generations, it’s probably what kind of trait?
Recessive
What does a histogram show?
The distrobution of data across selected groups or frequency with which data falls in those groups.
How many chromosomes does a human have?
46 or 23 pairs
What do we call the physical appearance of a trait?
Phenotype
Hair length is an example of what?
An acquired trait.
What are the two types of cell division called?
mitosis and meiosis
What is on the x-axis of a histogram?
What are the intervals or bins?
Traits are passed from parents to offspring through what?
Genes
What do we call the genetic makeup of an organism?
Genotype
Where in the cell is DNA found?
The Nucleus
Which type of cell division is used to make body cells?
Mitosis
What is on the y-axis of a histogram?
What is the frequency (or how many)?
What do we call different forms of the same gene?
Alleles
What is a mutation?
A change in DNA that is not a result of inheritance directly
What plant did Gregor Mendel study?
Pea Plants
Which type of cell division creates sperm and egg cells?
Meiosis
How is a histogram different from a bar graph?
The bars in a histogram touch and show ranges of data.
Who is known as the father of genetics?
Gregor Mendel
What do we call a segment of DNA that codes for a trait or protein?
A gene
What is selective breeding?
Choosing parents based on desired traits.
How are meiosis and mitosis different in chromosome number?
Mitosis keeps the same number (46), meiosis cuts it in half (23)
If a histogram shows most data clustered on the left and trailing off to the right, what is this shape called?
What is skewed right (or positively skewed)?