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Bell ringer/Key Vocabulary

4/17/2015
Bell ringer:
What separates during meiosis?
What controls traits in organisms?
Key Vocabulary:
polygenic inheritance – occurs when a group of gene pairs acts together and produces a specific trait, such as human eye color, skin, color or height.

4/16/2015
Bell ringer:
Explain the difference between genotype and phenotype.  Give examples.
Key Vocabulary:
Incomplete dominance – production of a phenotype that is intermediate between the two homozygous parents.

4/15/2015
Bell ringer:
Describe how dominant and recessive alleles are represented in a Punnett square?
Key Vocabulary:
Homozygous – an organism with two alleles that are the same.
Heterozygous – an organism that has two different alleles.

4/14/15
Bell ringer:
Key Vocabulary:
Punnett square – a tool to predict the probability of certain traits in offspring that shows the different ways alleles can combine.
Genotype – the genetic make-up of an organism
Phenotype – the outward physical appearance and behavior of an organism as a result of its genotype.

4/13/15
Bell ringer:
Key Vocabulary:
Dominant – describes a trait that covers over, or dominates, another form of that trait.
Recessive – describes a trait that is covered over, or dominated,by another form of that trait and seems to disappear.
Hybrid – an offspring that was given different genetic information for a trait from each parent.

4/10/2015
Bell ringer:  Agree/Disagree p. 306B (put on a new clean paper)
Key Vocabulary:
Heredity – the passing of traits from parent to offspring.
Genetics – the study of how traits are inherited through the interaction of alleles.