Show:
Genetics
Heredity
Reproduction
Punnet Squares
Misc
100
What is genetics?
The study of heredity.
100
What is heredity?
The passage of genetic instructions (traits) from parent to offspring.
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?
In the 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 probablility 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
What are the threadlike structures of DNA that carry genes called?
Chromosomes
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?

To distinguish between the alleles 

400
Inherited traits that children get from their parents come from-
Genes
400
The physical trait observed in an offspring is known as it's -
Phenotype
400

What is the main advantage that sexual reproduction has over asexual reproduction?

Greater genetic diversity

400

Having dimples is homozygous(DD). Not having dimples is homozygous (dd). Both parents are heterozygous for the dominant trait.  What percentage of the children will NOT have dimples?

25%

400
How many parents are involved in asexual reproduction?
One
500
What do we call the genetic make up of the individual, represented by a set of letters?
Genotype
500
How many chromomsomes do humans have?
46 or 23 pair
500
The sorting of chromosomes during sexual reproduction, determines -
Which traits are passed on to the offspring
500

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

Heteroygous 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?

 Both parents are heterozygous.