The unit that determines traits
What is a gene?
The man whom history credits as the founder of heredity, or, genetics
Who is Gregor Mendel?
An organism's complete genetic makeup.
What is a genotype?
The physical appearance of an organism
What is a phenotype?
Brown eyes, tall, blonde hair are all the ____ of the organism
What is phenotype?
What we call new (baby) organisms
What are offspring?
The stronger of the two kinds of alleles
What is a dominant allele?
Heredity works by a combination of chance, or what we also call...
Probability
The weaker of the two kinds of alleles
What is a recessive allele?
Passing of genes from one generation to the next is called?
Heredity
This is a heterozygous genotype: AA Tt gg
What is big T; little t? Tt
A genotype that contains two of the same allele
What is a homozygous genotype?
The information needed to fill in a Punnett square
What are the parents genotype?
The classification of this genotype: pp
What is homozygous recessive
The probability of a heterozygous offspring when two heterozygous parents procreat.
What is 50%?
The two types of alleles possible
What is dominant and recessive?
What are example of nitrogen bases? List 4.
Adenine, Thymine, Guanine, Cytosine
The genotypes of the parents if the offspring is tt
What is tt? (homozygous recessive)
Aa is classified as this
What is heterozygous?
This one is homozygous recessive: HH, Hh, or hh
What is hh (little h/ little h)?
This genotype is represented by Hh.
What is heterozygous dominant?
What makes up DNA?
Nucleotide
Sugar, Phosphate and Nitrogen Base
Gray eyes are a recessive trait. Cross a homozygous recessive mother and a heterozygous father. The odds of the child having gray eyes is
What is 50%?
Cross a heterozygous genotype with another heterozygous genotype. The probability of the recessive trait appearing would be this
What is 25%?