home work
the process of genetic transmission of characteristics from parents to offspring.
Inheritance
any differences between cells, individual organisms, or group of organisms of any species.
Variations
The material that controls which traits are expressed in an organism Genes is the unit of inherited information or traits of an organism
Gene
Ways of looking, thinking, or being that are passed down through the genes from parents to offspring
Traits
The different forms of a trait that a gene may have - one form of a gene OR multiple forms of the same gene
Alleles
The father of genetic
Gregor Johann Mendel
Why peas, Pisum sativum?
Small seed and easy to cultivate
Reproduce quickly and in large numbers
Mendel stated that physical traits are inherited as
particles
Mendel did not know that the "particles" were actually
Chromosomes & DNA
He then conceived the idea of heredity units, which he called ____now called ___ that account for variations in inherited characteristics.
factors called genes
Mendel tested 7 traits:
Flower color
Flower position
Seed color
Seed shape
Pod shape
Pod color
Plant height
Can be seen by others, eye color, hair color, height, left handed
Physical traits
Learned skills
Playing a sport, riding a bike,
playing a musical instrument
Acquired traits
Behavioral Traits
Behaviour traits
A trait that is covered over, or dominated, by another form of that trait and seems to disappear
Recessive trait
A trait that covers over, or dominates, another form of that trait
Trait that always shows up, even when only one of the two alleles is in the dominant form
Shown by a capital letter - AA, BB
Dominant trait
the different forms of a trait that a gene may have.
Allele
an organism's genetic makeup
An organisms inherited combination of alleles.
Genotype
outward physical appearance and behavior of an organism
An organisms inherited appearance
Phenotype