Science Exam

Heterozygous:

• RR

• Rr

• rR

• rr

Homozygous Recessive:

• RR

• Rr

• rR

• rr

Homozygous Dominant

• RR

• Rr

• rR

• rr

True or False: Recessive traits are always shown in an organisms offspring.

• True

• False

Three reasons Mendel used pea plants in his experiment

(a)  

• They were an overpopulated plant

• They reproduced quickly

• They had easily observed traits

• No factors disappeared

• He could control which pairs were pollinated

__________ is the study of how traits are passed from parents to offspring

• Heredity

• Mendality

• Genetics

How many factors control each inherited trait?

• 7

• 5

• 2

• 3

The instinctive, seasonal movement of animals is called _________.

• Hibernation

• Migration

• Mating

What is the ability of some living things to produce light?

• Bioluminescence

• Pheromonic Light

An animal releases a pheromone, a __________.

• Light

• Code

• High Pitch Sound

• Chemical