Genetics Test

Front

Factors that control traits are called

Back

genes

Front

Scientists call an organism that has two different alleles for a trait a

Back

hybrid

Front

What does the notation TT mean?

Back

two dominant alleles

Front

What does the notation Tt mean?

Back

one dominant and one recessive allele

Front

What is probability?

Back

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

Front

What is the probability of producing a tall pea plant from a genetic cross between two hybrid tall pea plants? (Create a punnett square)

Back

three in four (3/4)

Front

What does a Punnett square show?

Back

all the possible outcomes of a genetic cross

Front

If a homozygous guinea pig (BB) is crossed with a homozygous white guinea pig (bb), what is the probability that an offspring will have black fur?

Back

100%

Front

An organism's physical appearance is its

Back

phenotype

Front

Which term refers to the physical characteristics that are studied in genetics? Options: traits, offspring, generations, hybrid

Back

traits