1. Human karyotype How many pairs of chromosomes are there?
How many chromosomes does a human cheek cell contain?
How many chromosomes does a human ovum contain?
How are the chromosomes arranged?
What is the sex of this person?
Reason for your answer:

2. Human karyotype are arranged pairs. Chromosomes in homologous arranged
according
are arranged
pairs.
There are
chromosomes
are
karyotype to
Chromosomes
size.
of chromosomes.
in homologous
The

3. Human karyotype are arranged pairs. Chromosomes in homologous arranged
according
are arranged
pairs.
There are
chromosomes
are
karyotype to
Chromosomes
size.
of chromosomes.
in homologous
The

4. easier more difficult are arranged pairs. Chromosomes in homologous
according
The
pairs.
arranged
Chromosomes
are
size. to
in homologous

5. in homologous pairs. 23 pairs male
How many pairs of chromosomes are there?
How many chromosomes does a human cheek cell contain?
How many chromosomes does a human ovum contain?
How are the chromosomes arranged?
What is the sex of this person?
Reason for your answer:
23 pairs
A cheek cell is a normal body cell, therefore it contains 23 pairs of chromosome, i.e. 46 chromosomes
An ovum is a gamete, therefore it contains only 23 chromosomes
in homologous
pairs.
male
In humans a sex chromosome arrangement of XY is male (XX is female)