Study Guide Science 5 Chapter 4 Animal Growth and Heredity
1. What factor contains the
DNA code for a trait?
chromosome
gene X
inherited trait
instinct
2. What are all the living and nonliving things that
surround and affect an organism?
instinct
environment X
life cycle
dominate trait
3. What is a behavior that is passed from parents
to offspring?
instinct X
inherited trait
life cycle
dominant trait
4. What is the process by which most cells divide?
mitosis X
dominant trait
instinct
life cycle
5. What are the stages that living things pass
through as they grow and change?
instinct
environment
life cycle X
gene
6. What is the threadlike structure in a cell
nucleus?
instinct
inherited trait
chromosome X
life cycle
7. What is a characteristic passed from parents to
offspring?
gene
inherited trait X
dominant trait
instinct
8. What is a characteristic that appears when there
is one factor present for it?
dominant trait X
inherited trait
chromosome
instinct
9. What is it when an egg hatches as a caterpillar,
eats, makes a pupa, and as a moth lays eggs?
inherited trait
learned behavior
life cycle X
mitosis
10. What causes a frog to move to a nearby pond
because its own pond is drying up?
its chromosomes
its environment X
its inherited traits
its instincts
11. After a sunburn, why a week later is there new
skin after the old skin peels away?
asexual reproduction
genetic inheritance
regeneration X
meiosis
12. What do most body cells make when they go
through cell division?
gametes
exact copies of themselves
copies with half the chromosomes X
whatever kind of cell the body needs
13. What forms as a result of meiosis?
gametes with half the number of chromosomes
zygotes X
new body cells for growth
cells with identical chromosomes
14. Rosa and Rita are identical twins. What trait
is a result of Rosa's and Rita’s environment?
unattached earlobes
tongue rolling
brown eyes
hairstyle X
15. Tippy the cat does many things. Which
behavior is an instinct?
ringing the doorbell
meowing along with the radio
sleeping more than he is awake X
running to the kitchen when a can is opened
16. Adam can roll his tongue. His brother Lee
cannot. Which statement explains why?
Adam can do it because he is older
Lee can't because he hasn't practiced enough
Lee has a dominant and a recessive factor for
tongue-rolling
Adam has a dominant factor for tongue-rolling X
17. Parents have the recessive trait for attached
earlobes. Will their baby have attached ears?
baby will have unattached ears since parents have
attached
no one can predict what kind of ears the baby will
have
The baby will have attached ears since both
parents have it X
boys ears are always unattached and girl's ears are
attached
18. What instincts and learned behaviors are in
play when a mouse is faster each time it runs a
maze?
instinct since the mother mouse does not teach
them
all of it is learned behavior since mice have
no instincts
instinct in wanting food; learned since
times improved X
all instincts since mice cannot learn anything
20. For the second generation of snakes, what
fraction of the total number is normal and albinos?
Use for Questions 20 and 21
3/4 are normal and 1/4 are albinos X
1/2 are normal and 1/2 are albinos
no pattern can be predicted
normal skin is dominate so all of them are normal
21. What kind of trait is albino skin?
it is a dominate trait
it is a recessive trait did not appear in first
generation X
it is both recessive and dominate since sometimes
it appears
it is neither recessive or dominate