Ch. 4 LS Review15

Walter Sutton discovered that the sex cells of grasshoppers have half the number of 

Process in which a parent cell divides twice to produce sex cells

tt

What disappeared in the F1 and reappeared in the F2 generation (1/4: 25%: 1 out of 4)

Organism's physical appearence

An organism that has two different alleles for a trait

genetic makeup

When sex cells combine to produce offspring, each sex cell will contribute

Organism that has two different alleles for a trait

Genes are carried from parents to offspring on chromosomes: chromosome theory of

Factors that control traits

alleles that are neither dominant nor recessive produce an inheritance pattern known as

an organism tht has two dominant or two recessive alleles

d represents

which of the following would be traits influenced by both inheritance and environmental factors

When chromosome pairs seperate and are distributed into new sex cells

The different forms of a gene are called

a number that describes how likely it is that an event will occur

If a female white chicken and a male black chicken are crossed each of the offspring will have

Chromosomes are made up of many ___ joined together

Chart that shows all possible outcomes of a genetic cross

physical characteritistics

What did Gregor Mendel do to study different characteristics in his genetic experiments 

TT ot Tt

Capital D represents