WorksheetsMeiosis & Sexual Reproduction
Total questions: 30
Worksheet time: 17mins
A female sex cell is called...(select two)
an egg
a sperm
an ovum
A male sex cell is called...
an egg
a sperm
an ovum
The new cell that forms from fertilization is called
baby
spore
zygote
cell
What percentage of chromosomes are handed down to the offspring by a sperm cell?
75%
25%
50%
100%
Each pair of chromosomes in a diploid cells is called a ___________ pair.
Haploid
Homologous
Diploid
sexy
Cells that contain homologous pairs of chromosomes are...
Diploid
Haploid
A type of cell division that occurs with body cells in the gonads and results in four new sex cells each with half the number of chromosomes.
Mitosis
Meiosis
Fruit flies have body cells with a total of 8 chromosomes. How many total chromosomes are found in their sex cells?
16 chromosomes.
46 chromosomes.
8 chromosomes.
4 chromosomes.
Which one is developed first?
Embryo
Fetus
Baby
Zygote
The zygote is the...
fusion between haploid cells
fusion between diploid cells
When does fertilization occur in humans?
When an egg cell is released
When implantation occurs
When sperm and egg nuclei fuse
When sperm are released
In humans, sperm cells contain...
23 pairs of chromosomes
46 chromosomes
23 chromosomes
None of the options
In humans, egg cells contain...
23 pairs of chromosomes
46 chromosomes
23 chromosomes
None of the options
Egg and sperm cells are always...
Haploid
Diploid
Sperm and Ova are...(select three)
Somatic cells
Gametes
Reproductive cells
Sex cells
Male gonads are called...
testis
ovaries
sperm
ova
Female gonads are called
testis
ovaries
sperm
ova
What process must occur so that a zygote may develop into an embryo, then a fetus, and eventually a baby?
Meiosis
Fertilization
Mitosis
Sexual reproduction
Which sex chromosomes would indicate a typical human female?
XX
XY
Homologous chromosomes...(select two)
contain the same types of genes in the same locations
are the same size
do not contain the same genes
are very different in size
XY are...
homologous chromosomes
NOT homologous chromosomes
XX are...
homologous chromosomes
NOT homologous chromosomes
Sex cells are created through the process of...
Meiosis
Mitosis
Body cells are created through the process of...
Meiosis
Mitosis
Which type of cell division is being shown?
Mitosis
Meiosis
Sometimes, one or more pairs of homologous chromosomes or sister chromatids fail to separate normally during meiosis, resulting in new sex cells with too many or too few chromosomes. What is this event called?
nondisjunction
anaphase I
nondiploidy
karyotype
Which sex chromosomes would indicate a typical human male?
XX
XY
What type of cells are being produced by the process shown in the diagram? (Select all that apply)
Sex cells
Gametes
Body Cells
Somatic Cells
Sperm or egg
