Part Four Flashcards
Transmission of characteristics from parents to offspring is called?
Heredity
When 2 alleles don’t blend but both show together like in A B blood type, it is called _________
Codominance
_______= An allele that is masked by the presence of another allele
Recessive
The appearance of an organism is it?
Phenotype
Another name for heterozygous?
Hybrid
_______= an allele that masks the presence of another allele
Dominant
Red and White flowers producing pink offspring is an example of?
Incomplete dominance
Change in population over time?
Evolution
Differences among individuals within a species?
Variation
What did Darwin notice in his travels that inspired his work?
Plants and animals were well adapted to their environments.
What causes variation among individuals?
Mutations
How often do beneficial mutations occur?
Very rarely
Structures that develop from the same embryonic tissues but have different mature forms?
Homologous structures
Organ with little or no function?
Vestigial organ
Ability of an organism to survive and reproduce in an specific environment?
Fitness