Show:
Genetics
Heredity
Reproduction
Punnet Squares
Misc
100

What is genetics?

The study of traits being passed down. 

100

What does homozygous mean? 

Two of the same letters (hh or HH)

100
Sexual reproduction produces offspring that are genetically _____________ to the parents.
Similar
100
Some genes can be hidden or covered up by another. These are considered to be-
Recessive
100
How are traits passed from parent to offspring?
Through genes during reproduction
200

Where are genes located?

on chromosomes

200
Who first studied heredity and the passage of traits from one generation to the next?
Gregor Mendel
200
Asexual reproduction produces offspring that are genetically ____________ to the parent.
Identical
200
What is the punnet square used for?
To determine the outcome of genetic crossings.
200
Name two traits that could be inherited from a parent?
Examples: hair color, eye color, height, skin color, freckles, etc...
300

The genetic makeup of DNA (codes is called:)

Genotype

300

What type of organism did Gregor Mendel use to first study heredity?

Pea Plants

300
If you are studying a population of genetically identical individuals, you can conclude that these individuals reproduce how?
Asexually
300
A black chicken (BB) is crossed with a black chicken (BB). What percentage of offspring will be black?
100%
300
Why does a Punnet Square use capital and lowercase letters?
Capital = Dominant Trait Lower Case = Recessive Trait
400

The physical trait observed in an offspring is known as it's -

Phenotype 

400

Give an example of a heterozygous dominant 

Example: Hh or Pp or Yy

400
For some traits, only one copy of a particular gene is needed to show a given trait. These genes are referred to as-
Dominant
400
Having dimples is dominant (D). Not having dimples is recessive. (d) Both parents are heterozygous for the dominant trait. What percentage of the children will NOT have dimples?
25%
400

What is it called when the dominant MIXES with the recessive?

Incomplete Dominance

500

3 examples of Genotype 

3 examples of Phenotype 

Answers vary

500

What would be the genotypes of a homozygous dominant crossed with a homozygous recessive?

AA x aa

500

What is hybrid versus purebred? 

Hybrid --> Hh

Purebred --> Fully dominant HH

500
Long ears are dominant (E) in rabbits. If one parent is homozygous dominant for the long ear trait and the other homozygours reccessive (e), what is the only possible genotype of the offspring?
Ee
500

Two dark brown rabbits have four offspring. Three of the offspring are dark and one is white. What does this tell you about the parents' genes for fur color?

Dark brown is dominant and white fur is recessive. Both parents are heterozygous.