Mendelian genetics
Non-Mendelian genetics
Vocabulary
Pedigrees
Random
100
Who is the father of genetics?
Gregor Mendel
100
A _______ allele results in the death of an individual that has it.
Lethal
100
When the alleles of a gene are different it is...
Heterozygous
100
What do the circles represent?
Females
100
How many squares are in a dihybrid cross?
16
200
What is a genetic diagram that is used to work out the probability of possible offspring genotypes?
Punnett Square
200
When a trait is controlled by the interaction of multiple genes it is called
Polygenic inheritance
200
What describe the alleles that an organism contains?
Genotype
200
What does the horizontal line between a circle and a square show?
It shows that the joined people are partners
200
What does FOIL stand for?
First, outter, inner, last
300
This law states the alleles for different traits separate independently from one another.
Law of independent assortment
300
When one gene affects multiple traits it is known as
Pleiotropy
300
What genetic diagrams look at two traits instead of one?
A Dihybrid Cross
300
What do the roman numerals on the side of the pedigree represent?
The different generations
300
If you have two heterozygous parents, what is the probability that they will have a homozygous recessive child?
25%
400
A heterozygous tall pea plant is crossed with a short pea plant. Which allele is dominant?
Tall
400
What is codominance?
When two alleles are present and they are both simultaneously expressed.
400
Human blood types are an example of what?
Multiple alleles
400
If a circle or square is only half shaded in what does that mean?
That individual is a carrier for the disorder.
400
Crossing a red flower with a white flower and getting a pink flower is known as
Incomplete dominance
500
This law states that each gamete receives only one allele for each gene.
Law of Segregation
500
In flowers, red is RR and white is WW. Cross a pink flowered plant with a white flowered plant. What is the probability that the offspring will be Red?
0%
500
What does it mean if someone is a carrier?
They are heterozygous for a disorder but DO NOT have the disorder. They can however pass the disorder onto their offspring.
500
If a circle or square is fully filled in what does it mean?
That person is an affected individual
500
Two buck teeth parents have two children with no buck teeth. What are the genotypes of each family member?
Mom: Bb
Dad:Bb
Child 1: bb
Child 2: bb
1000
A man who is homozygous dominant for blue hair marries a woman with green hair. They have four children. Predict the children's genotypes and phenotypes.
All 4 children will be heterozygous and have blue hair.
1000
In cows, roan cattle are a mix between red and white cattle. What offspring are expected from mating a roan bull to a roan cow?
25% Red
25% White
50% Roan
1000
An alternative form or variation of a gene is called a(n)
Allele
1000
What is the genotype for individual I-2? ____________. I-4? _______________. II-1? ____________. II-3? ____________.
I-2: Ff
I-4: Ff
II-1: Ff
II-3: ff
1000
Albinism is recessive over normal pigmented skin. If 50% of the parent's offspring are albino, what are the genotypes of the parents?
Parent 1: homozygous recessive
Parent 2: heterozygous