Genetics 1
Genetics 2
Genetics 3
Genetics 4
Genetics 5
100
Where an individual's chromosomes come from
Who are your parents?
100
The type of allele in whose trait always shows up in the organism if the allele is present
What is a dominant allele?
100
TT = tall, Tt = tall, tt = short. The dominant trait
What is tall?
100
An organism with two different alleles for a trait is called what?
What is heterozygous?
100
The study of heredity?
What is genetics?
200
The different forms of a gene
What are alleles?
200
The type of allele that can be masked, or covered up
What is a recessive allele?
200
An organism with two identical alleles
What is homozygous?
200
Abnormally shaped red blood cells
What is sickle cell disease?
200
Male chromosomes
What is XY?
300
The total number of chromosomes in a human cell.
What is 46?
300
The part of the cell containing the chromosomes
What is the nucleus?
300
Its genetic makeup, or allele combination
For example TT, Tt ,tt, BB, Bb, bb
What is an organism's genotype?
300
A degenerative neurological disorder
What is Huntington's disease?
300
When traits show a range of phenotypes such as skin color, hair color, height
What is polygenic inheritance?
400
Factors that control traits
What are genes?
400
A chart that shows all the possible combinations of alleles that can result from a genetic cross
What is a Punnett square?
400
Its physical appearance or traits
( For example a tall pea plant or a black guinea pig)
What is the phenotype?
400
A blood clotting disorder
What is hemophilia?
400
What is an autosomal recessive pedigree?
500
The organisms studied by Gregor Mendel
What are pea plants?
500
The chance a Aa X Aa cross produces aa offspring
What is 25%?
500
A cross with a BB (black guinea pig) and a bb (white guinea pig) will result in what probability of a white guinea pig?
What is 0%?
500
A gene that produces only blue eyes in humans
What is HERC2?
500
The genetic disorder which shows incomplete dominance
What is sickle cell trait?