Genetics 1
Genetics 2
Genetics 3
Genetics 4
Genetics 5
100
What are an organisms characteristics called.
What are traits?
100
This gene always shows its self over a recessive gene
What is a dominant gene?
100
All human cells contain ____ number of chromosomes
What is 46?
100
How many pairs of chromosomes do humans have?
What is 23?
100
a capital letter represents what type of trait?
What is a dominant trait?
200
The passing of traits from parent to offspring is called.
What is heredity?
200
Organisms have two of the same genes (TT, tt)
What is homozygous?
200
Give an example of a homozygous dominant genotype.
TT, BB (2 capital letters)
200
The study of heredity is called-
What is genetics?
200
What percent of offspring will be homozygous dominant?
25%
300
What is the abbreviation for deoxyribonucleic acid?
What is DNA?
300
Organisms have two different genes for the same trait (Tt).
what is heterozygous?
300
A lowercase letter represents this trait-
What is recessive?
300
Where are chromosomes located?
What is the nucleus?
300
What percent of the offspring of heterozygous parent will be homozygous?
What is 50%?
400
Chromosomes are made up of _______ which contain sugars, phosphates, and four nitrogen bases.
What is DNA?
400
Shows possible gene combinations.
What is a Punnett square?
400
What is a phenotype?
What an organism looks like?
400
a trait that is hidden when the dominant gene is present
What is a recessive trait?
400
What percent of the offspring of heterozygous parents will be homozygous recessive?
What is 25%?
500
These control what traits you have.
Genes
500
What are the two human reproductive cells called?
Sperm and egg
500
There are two variations of all genes, what are these called?
What is an allele?
500
What percentage of two homozygous dominant parents will be heterozygous?
What is zero percent?
500
What percent of offspring will have the dominant trait?
What is 75%?