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Heredity
Genetic Variation
100
Genetics is the study of
The study of heredity.
100
What is heredity?
The passage of genetic instructions (traits) from parent to offspring.
100
The fact that only one gene for each trait may be passed from parent to offspring is known as Mendal's Law of
What is Segregation?
200
Where are genes located?
On the chromosomes
200
Who first studied heredity and the passage of traits from one generation to the next?
Gregor Mendel
200
The 2 _________ on paired chromosomes constitute a gene. Also they are variations of genes that determine traits.
Alleles
300
Any mistakes in copying genetic information
What is a mutation?
300
What type of organism did Gregor Mendel use to first study heredity?
Pea Plants
300
__________ alleles exhibit their effect if they are present on 1 chromosome
Dominant allele
400
A table that is used to make predictions about future offspring.
What is a Punnett Square?
400
The physical trait observed in an offspring is known as it's -
Phenotype
400
________ alleles exhibit their effect only when both chromosomes have the allele.
recessive allele
500
What do we call the genetic make up of the individual, represented by a set of letters?
Genotype
500
Mendal's factors for heredity
Parents genes
500
Long ears are dominant (E) in rabbits. If one parent is homozygous dominant for the long ear trait and the other homozygours reccessive (e), what are the possible genotypes of the offspring?
Ee
M
e
n
u