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Genetics are cool
Life is Science
Hey look mom I made it
Surprise Science
Life Is a Mystery
100
How many dominant alleles are needed for a particular trait to show up?
1
100

What was the main conclusion of Mendel's pea plant study?

Dominant and recessive traits.

100

If a snake has 36 chromosomes in it's body cells, how many chromosomes did it inherit from the father snake?

18

100
This is the study of heredity
genetics
100

How could you describe the genetic makeup of an organism that was produced through asexual reproduction?

Genetically identical to the parent organism

200

What is heterozygous?

One dominant allele one recessive allele

200

Where is DNA and chromosomes found within the cell?

The nucleus

200
The small intestine is an organ used for digestion.  How does this fit into the levels of organization? 

Since the small intestine is an organ it is smaller than an organ system but larger than cells and tissue. 

*organelle, cell, tissue, organ, organ system organism.



200
This is an organism's genetic makeup.
Genotype
200
This is an organism's physical appearance.
Phenotype
300

If Cathryn's Great Grandmother, Grandmother and mom all live in different states and have a condition called Cerebral Ataxia.  What can you conclude as to the reason why they have the condition?

It is an inherited trait that is passed down from generation to generation. 

300

Put the following words in order from greatest to largest.

Nucleus, Gene, Cell, Chromosome


Cell, Nucleus, Chromosome, Gene

300
This shows all of the possible outcomes of a genetic cross.
Punnett square
300
This type of organism has 2 different alleles for a trait
Heterozygous
300

What happens when a recessive allele is paired up with a dominant allele?

It is hidden / doesn't show up

400

What is a genotype?

The genetic makeup of an organism.

400

This type of organism has 2 dominant alleles for a trait.

Homozygous dominant

400

Do the following cross (A = freckles, a = no freckles):

Aa x Aa

What are the possible genotypes?

Phenotypes?

AA, Aa, aa

75% Freckles

25% No Freckles

400

What is the advantage of sexual reproduction?

The offspring are more diverse and this can allow the species to survive environmental change. 

400
This type of organism has 2 recessive alleles for a trait
Homozygous recessive
500
This is the passing of physical characteristics from parent to offspring.
Heredity
500
This was the scientist who first began studying heredity and genetics.
Gregor Mendel
500

A section of DNA is called

a gene

500

give 3 facts about sexual reproduction

ANSWERS CAN VARY

*2 parents    * not genetically identical    

*diverse offspring 

* half of the chromosomes from mom and half come from dad

500

Do the following cross where B = blue eyes, b = brown eyes.


Bb x bb

Genotype?

Phenotype?

Bb, bb

50% Blue Eyes

50% Brown Eyes