The Basics
Passing of physical characteristics from parents to offspring
What is HEREDITY
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 bab?.
The factors that control a trait
What is 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
An organism with TWO different alleles for a trait
What is a HYBRID
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
A doubled rod of condensed chromatin that contains the DNA of an organism
What is a CHROMOSOME
The scientific study of heredity is called ...
What is GENETICS
Name 1 way in which genetic engineering has already helped people.
What is medicine
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
The term that refers to passing genetics from one generation to the next.
What is heredity?
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
Allele whose trait is always hidden whenever the allele is present
What is a RECESSIVE ALLELE
An organism that has two different alleles for a trait is said to be ______________
What is HETEROZYGOUS
The study of heredity is called ___________.
What is Genetics?
A tool that can help you understand how the laws of probability apply to genetics
What is a PUNNETT SQUARE
Mendel did THIS when he removed pollen from a flower on one plant and brushed the pollen onto a flower on a second plant
What is CROSSED the pea plants
Brown hair (B) is dominant to blonde hair (b). How many offspring would you expect to have brown hair in a cross between 1 homozygous dominant and 1 homozygous recessive parent.
4/4 OR 100%
Organisms that have inherited two different forms of the same trait, one from each parent
What is a hybrid?
The hidden form of an inherited trait
What is a recessive trait?