WorksheetsCell reproduction and genetics
Total questions: 25
Worksheet time: 42mins
All types of sexual reproduction produces an organism that
has characteristics from both parents
has characteristics of one parent but not the other
is genetically identical to the parent
has half the DNA as the parent
Gametes (sex cells) have
the same number of chromosomes as body cells
twice as many chromosomes as body cells
half the number of chromosomes as body cells
varying numbers of chromosomes depending on the type of cell made
What is the genotype for a dwarf pea plant?
TT
Tt
tt
cannot tell
A guinea pig has dominant black fur, his genotype is Bb. A female guinea pig has recessive white fur. Her genotype is bb. What is the chance that the offspring of these two parents will have white fur?
2:4 or 50%
1:4 or 25%
3:4 or 75%
zero chance
What cellular process is responsible for the growth of an organism?
Mitosis
Respiration
Osmosis
Diffusion
Choose all that apply.
Cells reproduce by splitting in half, a process called cell division. What are the three reasons that the cells in our body need to go through Mitosis?
so we can grow
to get stronger
to heal wounds
so we can look like our parents
to replace old, worn out, and dead cells
If a cell has 40 chromosomes, how many chromosomes will each of its daughter cells have after mitosis?
40
25
20
12
An allele is:
A particular version of a gene
A really yummy flavor of ice cream (Mr. Gill likes sprinkles on his)
The part of the cell where DNA is kept
Always produced in asexual reproduction
If an organism has two of the same kind of allele for a trait, it is considered ____________.
Homozygous
Heterozygous
Monolithic
Dichotomous
Which formula do we use to calculate the number of possible genetic combinations due to independent assortment?
2n
n2
2n
n2
A peanut plant has 40 chromosomes. What is its n number?
10
20
30
40
Which genes in this picture are linked?
A and C
B and C
A and B
none of them
Which genes will have the greatest chance of being separated during crossing over?
B and C
A and B
C and D
D and A
Why do many farmers grow polyploidy plants? (more than one answer)
they are bigger
they are smaller
they are more vigorous (stronger)
they are less vigorous (stronger)
Apoptosis can't kill which of the following?
Cell infected with viruses
Cell with DNA damage
Cancer cells
Immune cells
What is Apoptosis?
Cell programmed Death
Inflammation of cell
Phagocytosis
Plasmolysis
the resting phase between successive mitotic divisions of cells
interphase
cell cycle
checkpoint
pluripotent
structure that contains two identical copies of DNA
sister chromatid
embryo
zygote
cell plate
