Vocabulary
Different ways a trait can appear.
What is a variation?
A chart that traces a trait through a family.
What is a pedigree?
What does 'r' represent?
Recessive trait
True or False?
The species with the survival advantage will reproduce and thrive, while the disadvantaged one will die off.
True
Purple stem x Green stem
Purple stem
A characteristic of an organism that can be inherited, acquired, or both.
What is a trait?
Instructions for everything in a cell.
What is DNA?
True or False? dominant traits can skip generations.
False
Genotype predicting squares
What are Punnet Squares?
Typica(light) x Carbonaria(dark)
Carbonaria(dark)
The basic building blocks of all living things.
What is a cell?
The variation that appears physically.
What is a phenotype?
How many copies of genes do you get?
Two, one from each parent
What has to change in order for a populations to change?
The environment
Curly hair x Straight hair
Curly hair
Coiled up DNA that you can see when a cell divides.
What is a chromosome?
The instructions for genes that you got from your parents.
What is a genotype?
Two beings that share the exact same genetics therefore have extremely similar traits.
What are identical twins?
What animal did Charles Darwin study to prove his theory about natural selection?
Finches
Short x Tall
Tall
One segment of DNA that has instructions for one thing.
What is a gene?
The variation of a gene (the ways a gene can turn out).
What is an allele?
Scars and pierced ears are examples of what?
Acquired traits
A change or the process of change by which an organism or species becomes better suited to its environment.
What is Adaptation?
Attached earlobe x Detached earlobe
Attached earlobe