The Basics
Passing of physical characteristics from parents to offspring
What is HEREDITY
What is PHENOTYPE?
The factors that control a trait
What are GENES
An organism's genetic makeup, or allele combinations
What is GENOTYPE
The genetic material that carries information about an organism and is passed from parent to offspring
What is DNA (Deoxyribonucleic acid)
Different characteristics such as color and height are called ...
What is a TRAIT
Two brown eyed parents (Bb) have a baby. What is the chance the baby is blue eyed?
What is a 25% chance of having a blue eyed baby?
An organism's traits are controlled by the ________ it inherits from its parents.
What are ALLELES
An organism's physical appearance, or visible traits
What is PHENOTYPE?
The study of heredity is called ___________.
What is Genetics?
Having two dominant alleles
What is HOMOZYGOUS DOMINANT?
A tool that can help you understand how the laws of probability apply to genetics
What is a PUNNETT SQUARE
Allele whose trait always shows up in the organism when the allele is present
What is a DOMINANT ALLELE
An organism that has two identical alleles for a trait is said to be ___________
What is HOMOZYGOUS
Allele whose trait is always hidden whenever the other allele is present
What is a RECESSIVE ALLELE?
He is dubbed the "Father of Genetics"
Who is GREGOR MENDEL
A recessive allele is represented by a __________ letter, while dominant allele is represented by a __________ letter.
What is LOWERCASE and UPPERCASE
Brown hair (B) is dominant to blonde hair (b). This is the likelihood the offspring would have brown hair in a cross between 1 homozygous dominant and 1 homozygous recessive parent.
What is 4/4 OR 100%?
An organism that has two different alleles for a trait is said to be ______________
What is HETEROZYGOUS
A doubled rod of condensed chromatin that contains the DNA of an organism
What is a CHROMOSOME