The 1st concept describes that alternative versions of genes account for variations in inherited characters.
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To make a working model in geography, you first need to decide on the topic or concept you want to represent. Then, gather materials such as maps, clay, paper, or other items to build your model. Use these materials to create a physical representation of the geographical concept you are studying, such as a mountain range, river system, or ecosystem. Be sure to label and explain the components of your model to show how they interact in the geographical setting.
alleles
RtRt times RtRt
The 2nd concept describes that for each character, an organism inherits two copies of a gene - one from each parent.
gregor
Punnett square
Doron Mendels was born in 1944.
3 dominant to 1 recessive
Division.
Dominant
RECESSIVE
Mendel allowed the first generation plants to self pollinate.
reccesive
The term used to define the first image that comes to mind when you think of a concept is a "prototype." This is the initial mental representation or model of a concept that we use to guide our thinking and decision-making.
Recessive allele hahaha :D
Joseph Mendels has written: 'Concepts of depression' -- subject(s): Affective disorders