Genetics
Heredity
Reproduction
Punnett Squares
Miscellaneous
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 used to determine the outcome of genetic crossings?

Punnett squares

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 Punnett Square use capital and lowercase letters?

Capital = Dominant Trait Lower Case = Recessive Trait

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