Punnett Squares
Basics
Vocabulary
Vocabulary #2
Dominant and Rescessive
100
What are genotypes and phenotypes?
Genotype is the genetic instructions for an organism and the phenotype is the physical characteristics.
100
What did Reginald Punnett do?
Invented the punnett square.
100
What is an allele?
one of the alternative forms of a gene that governs a characteristic.
100
What does homozygous mean?
And organism that has two of the same alleles for a trait.
100
Which trait is uppercase?
Dominant.
200
What are Punnett squares used for?
To determine the genotypes for an organism.
200
What expirement is Gregor Mendel famous for?
The pea plants.
200
What is a chromosome?
Genes that are found in the nucleus of a cell.
200
What is a phenotype?
The physical appearance of an organism.
200
Which trait is lower case?
Rescessive.
300
What would be the genotypes for Curly hair(C) and Straight hair(c)?
CC,Cc,Cc,cc
300
What is a rescessive gene?
The gene that is least common and gets overpowered by the dominant gene.
300
What is DNA?
Deoxyrib nucleic acid, a molecule found in the nucleus of the cell which codes for an individual's genetic makeup.
300
What is a genotype?
The genetic instructions of an organism.
300
If the genotype is Rr, which trait will the organism have?
The dominant gene.
400
What side of the square do the female traits go?
On the top
400
What is a dominant gene?
The gene that is most common and overpowers the rescessive.
400
What is a gene?
The length of DNA carrying a code for a certain feature.
400
What is asexual production?
When a single cell or set of cells reproduce on it's own to create an offspring that inherits all the parents genetic features.
400
If the genotype is rr which trait will the organism have?
The Rescessive gene.
500
What side of the square do the male traits go on?
Left
500
Is the genotype Rr homozygous or heterozygous?
Heterozygous.
500
What is sexual reproduction?
When the genetic material of a male and female combined to create offspring that differs genetically from both.
500
What is DNA?
Deoxyrib nucleic acid, a molecule found in the nucleus of the cell which codes for an individual's genetic makeup.
500
If one parent has blond hair and one has brown hair, what will the offspring have?
Brown hair.
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