Category 1
A _________ carries the DNA code for a particular trait.
gene
A light brown rabbit must have two genes for the ___________ trait.
All the traits the parents pass to their offspring are called ________
In humans, hair color is an example of an __________.
Inherited Traits
In order for a new cell to function just like its parent cell, it must receive an exact copy of its parents cell's __________.
Chromosomes
In order for a _________________ to be seen, an offspring needs to receive a factor from only one parent.
Dominant Trait
Worms change only is size as they grow to be adults, because they go through _____
direct development mitosis
metamorphosis asexual reproduction
direct development
Reproduction in which cells from two parents unite to form a zygote is called ___________.
Sexual Reproduction
Reproduction without the joining of cells from the female parent and the male parent is called_________.
Asexual Reproduction
What does NOT happen during mitosis?
the chromosomes duplicate
a spindle fiber forms
the number of chromosomes is halved
the nuclear membrane disappears
the number of chromosomes is halved
If an offspring receives two genes, one from each parent, for a particular recessive trait, that trait will ______
not be seen be seen halfway
be seen none of the above
Be Seen
Which sequence illustrates incomplete metamorphosis?
egg, nymph, adult
In order for a _________________ to be seen, an offspring must receive a factor for the trait from each parent.
Recessive Trait
Genes also tell a cell when to begin ________
mitosis recessive
function nucleus
mitosis
An organism in the adult stage of its ___________ is able to reproduce.
Life Cycle
During _______________, duplicated _______________ in the cell's nucleus separate, and the cell pinches into two cells.
Mitosis and Chromosomes
Genes are structures of chromosomes in a cell's _________ that control a cell's shape and _________
mitosis function
recessive nucleus
nucleus and function
When meiosis occurs, the number of chromosomes _______
is doubled stays the same
is halved is tripled
Is halved
The process which reduces the number of chromosomes in certain cells is called ________
meiosis