Reproduction Unit

Question 1

What is the difference between meiosis and mitosis

Answer 1

Meiosis =sexual reproduction

Mitosis=Asexual reproduction

Question 2

Name some similarities between an animal and plant cell

Answer 2

• Both have a cell membrane surrounding the cytoplasm
• both have nucleus
• both contain mitochondria, Golgi bodies E.R, ribosomes and microtubules

Question 3

Name differences between an animal and plant cell

Answer 3

• Animal does not contain chloroplast
• Animal has no cell wall
• Animal has small vacuole plant has large
• Animal has nucleus in centre ,plant has nucleus near cell wall
• Animal has irregular shape, plant has regular
• Animal is smaller, plant is larger

Question 4

Describe cancer

Answer 4

cancer is uncontrolled cell division caused by damaged DNA

Question 5

What is a tumour

Answer 5

a tumor is a collection of cancer cells either malignant or benign

Question 6

What is artificial reproductive technology

Answer 6

Any artificial method of joining a male and female gamete

Question 7

What is selective breeding

Answer 7

Process of selecting individuals with desirable traits to produce offspring with desired traits

Question 8

Genetic engineering

Answer 8

Any technological process that altars the DNA of the organism

Question 9

What is mitosis

Answer 9

Mitosis is a diploid cell, it is Asexual it has 2 daughter cells

Question 10

Name the I pee on my mat and what they are

Answer 10

Interphase- DNA duplicates itself and prepares for cell devision
Prophase- the DNA condenses into chromosomes and the nuclear membrane begins to disappear
Metaphase- is when the string chromosomes ligne up against the cell wall
Anaphase- each chromosome splits. the spindles pull the chromosomes towards the opposite wall
Telaphase- the nuclear membrane begins to reform

Question 11

What is the purpose of cell division

Answer 11

because the cell can’t grow in size because the cytoplasm can only become a certain volume