Traits
What do genes code for?
Your traits
True or false: a circle is a male in a pedigree
False - a circle represents a female
How many chromosomes do you inherit from each parent?
23
What is an adaptation?
A product of evolution, helps an organism survive in its environment
Where is DNA found in a cell?
The nucleus
Is every trait you have inherited from your parents? (think about behavioral traits)
No
A filled in shape represents what?
The organism has the trait
What are genes, anyway?
A set of instructions, they determine your traits and pretty much everything about you
What is a phenotype?
A trait that can be physically seen on an organism
What is a behavioral trait? (give an example)
A half filled in shape represents what?
The organism is a carrier of the trait (not affected by it)
What is DNA shaped like?
A double helix (think twisted ladder)
**Double points**
Who is known as the father of genetics?
Gregor Mendel
What experiment did Gregor Mendel use to observe traits
He breeded peas and studied the traits they acquired
True or false: a horizontal line between two organisms means they are mates/married 0------[]
True
What does DNA stand for?
Deoxyribonucleic acid
True or false: a long strand of DNA bundled together makes a cell
False - it would make a chromosome
True or false: Alleles occur only by themselves
False - they occur in pairs (Aa)
True or false: if an organism does not have the right adaptation for an area, it will die
False - it can move away, very few may still survive in the area
Give an example of a heterozygous and a homozygous allele (2 examples)
Heterozygous - Aa
Homozygous - BB or bb