Human Reproduction And Genetics

Question 1

Ovaries

Answer 1

Store and produce eggs.

Question 2

Fallopians tubes

Answer 2

Carry the egg to the uterus. Fertilisation occurs here.

Question 3

Uterus

Answer 3

Is where the fertilised egg becomes implanted and finds nourishment.

Question 4

Cervix

Answer 4

Leads from the vagina to the uterus.

Question 5

Vagina

Answer 5

Holds the male penis in sexual intercourse.

Question 6

Ovulation

Answer 6

An egg is released from the ovary an average of every 28 days.

Question 7

The egg is released

Answer 7

On day 13-15 if the menstrual cycle and it passes along the fallopian tube to the uterus.

Question 8

Period

Answer 8

The lining and a small amount of blood pass out through the vagina.

Question 9

Fertile period

Answer 9

These are the days of the menstrual cycle when the woman is most likely to become pregnant.

Question 10

Testes

Answer 10

The testes produce sperm

Question 11

Scrotum

Answer 11

The scrotum is where the tastes are, it is located outside the body to ensure the tempature is lower than body temperature for healthy sperm.

Question 12

Epididymis

Answer 12

The epididymis is a coiled cube on the outside of each testis that stores sperm and allows them to mature fully

Question 13

Van deferens

Answer 13

The vas deferens (sperm duct) brings the sperm from
the testes to the penis

Question 14

The seminal vesicles, prostate gland and Cowoers gland

Answer 14

produce seminal fluid which mixes with sperm to
form semen, it nourishes the sperm and allow them to
swim

Question 15

Puberty

Answer 15

Puberty describes when the body starts
becoming sexually mature (reproductive
organs develop). It normally happens
between the ages of 10 and 16

Question 16

Female puberty

Answer 16

Female puberty: In females when the sex
hormones (oestrogen and progesterone)
are released the breasts develop, hips
widen, and hair begins to grow on the
body
• The first egg is released from the ovaries
which leads to the first period occurring

Question 17

Fertilisation

Answer 17

Fertilisation: If an egg is present in the
fallopian tube, and a couple have sexual
intercourse, then one of the sperm cells
may fuse with it
• The nuclei of the sperm and egg fuse
together to form a fertilised egg
• The woman is now pregnant

Question 18

Amniotic fluid

Answer 18

As the embryo develops in the uterus it is
protected inside a bag of fluid called
amniotic fluid

Question 19

Umbilical cord

Answer 19

• A tube called the umbilical cord joins the embryo to the placenta.

Question 20

Lactation

Answer 20

The production of breast milk

Question 21

Colostrum

Answer 21

colostrum– very nutritious, and helps
protect the baby from infection

Question 22

Asexual reproduction

Answer 22

involves only one parent
• cells from this parent divide
and a new plant grows from
these cells
• this plant is identical to the
parent
e.g. strawberries, potatoe

Question 23

Sexually

Answer 23

involves two parent plants
• a cell from each combining to
produce a seed which becomes
a new plant
• this plant has features of both parents

Question 24

Inheritable characteristics

Answer 24

Many
physical characteristics such as eye colour
and shape of ears were inherited from
your parents

Question 25

Chromosomes

Answer 25

The nucleus of each sex
cell (gamete) contains 23 thread like
structures called Chromosomes

Question 26

Chromosomes are made of

Answer 26

protein +
DNA. These chromosomes carry genes

Question 27

Genes

Answer 27

are chemicals found on
chromosomes that pass on information
from parents to children