5.1 Pass it On!

• Biologie
• 9th Grade

Encyclopedia: whole series of informative books

00:17

What is the English word for "the Dutch 'FENOTYPE'?

00:55

Where exactly can you find DNA in the cell?

1. in the cytoplasm
2. in the nucleus
3. in the cell membrane
4. in the cell wall

01:14

The way you look is called the...

1. phenotype
2. genotype

01:37

The brown skin caused by the sun is a ...

1. Phenotype
2. Genotype

01:58

A Phenotype is caused by...

1. Genetics
2. Environment
3. Genetics and environment
4. Environment and characteristics

What are Chromosomes?

1. Little packages of DNA
2. Little packages of proteins
3. Little packages of genes
4. Little packages of cell organelles

Starter: answer in your notebook

1. What is the difference between genotype and phenotype?
   
   
2. Which has more information, genotype or phenotype?
   
   
3. What is the connection between genotype, phenotype and the environment?

Remember:

Chromosomes occur in PAIRS

How many autosomes do you have in total (per cell)?

How many sex chromosomes do you have in total (per cell)?

What means 'diploid'?

1. One chromosome of a pair
2. Both chromosomes of a pair

Sex cells are special because they only contain... chromosomes

1. 46
2. 23
3. 44
4. 22

Drag the keyword to its definition

sex cell

pairs of chromosomes

fertilised egg cell

Single chromosomes

zygote

haploid

diploid

gamete

How many chromosomes does human liver cell contain?

1. 46
2. 23
3. 22
4. 44

How many chromosomal pairs does a human liver cell contain?

1. 46
2. 23
3. 44
4. 22

How many chromosomes does a human egg cell contain?

1. 46
2. 23
3. 44
4. 22

How many chromosomal pairs does a human egg cell contain?

1. 23
2. 22
3. 21
4. no pairs

A crocodile has 32 chromosomes. How many chromosomes are present in its sperm cell ?

1. 32
2. 64
3. 16
4. 8

A rabbit has 44 chromosomes. How many chromosomes are present in its skin cell ?

1. 44
2. 22
3. 11
4. none

A rhesus monkey has 46 chromosomes. How many chromosomes in its sex cell?

1. 46
2. 23
3. 44
4. 22

A chimpanzee has 48 chromosomes. How many chromosomes in its muscle cell?

1. 46
2. 48
3. 23
4. 24

Workbook page 135

Questions 1 - 5