NEW
Font size
WorksheetsMitosis/Meiosis/Reproductive Systems
Total questions: 15
Worksheet time: 15mins
Why do egg and sperm cell only have 23 chromosomes?
These cells fuse together forming a single cell with 46 chromosomes
They are small cells, they can only hold 23 chromosomes
They actually have 46 chromosomes each
These cells fuse together forming a single cell with 23 chromosomes
What are gametes?
sex cells (sperm and egg)
body cells like your skin
cells in the nervous system
cells in the endocrine system
What type of cells does mitosis occur in?
gametes
somatic cells (body cells that are not egg or sperm)
How many chromosomes are in a human cell?
23 pairs
64
21
46 pairs
What is DNA?
protein
genetic information
food
The diagram below represents human reproductive systems. Which statement best describes part of the human reproductive process?
Estrogen and progesterone influence the activity of C
Testosterone produced in A is transferred to D, where it influences embryonic development
Testosterone produced in D influences formation of sperm within B
Progesterone stimulates the division of the egg within C
Base your answer to the following question on the diagrams below and on your knowledge of biology. Which structures secrete hormones that regulate the development of secondary sex characteristics?
D and H
F and I
A and J
E and G
What is number 5 pointing to?
Fallopian tube
Cervix
Uterus
Vagina
Ovary
What is #4 pointing to?
Fallopian tube
Cervix
Uterus
Vagina
Ovary
A ___________ is formed when fertilization occurs.
embryo
zygote
fetus
sperm
Sex cells have __________ the number of chromosomes of other body cells.
twice
half
same
none of the above
What is #10 pointing to?
Penis
Scrotum
Testis
Sperm tube
Urethra
What is #1 pointing to?
Penis
Scrotum
Testis
Sperm tube
Urethra
A fertilized egg develops in the
the cervix
the uterus
an ovary
the vagina
What is #2 pointing to?
Penis
Scrotum
Testis
Sperm tube
Urethra
