reproduction - mock 2022

Question 1

reproduction definition

Answer 1

• an organism made from another organism/ organisms. Defining characteristic of life.

Question 2

why is a virus not alive

Answer 2

• it can not independently reproduce/ needs a host cell.

Question 3

two types of reproduction

Answer 3

• sexual

- asexual

Question 4

asexual reproduction

Answer 4

• when 1 parent provides all of the off-springs genetic information, producing a clone.
• Mitosis

Question 5

Sexual reproduction

Answer 5

• when 2 parents fuse their genetic information together to create a unique off-spring.

Question 6

a species that can reproduce both ways?

Answer 6

• flowering plants

Question 7

gamete?

Answer 7

• the name given to sex cells, specialized cells that contain half of the chromosomes needed to make healthy off-spring.

Question 8

Human gametes

Answer 8

• sperm cell

- egg cell

Question 9

Plant gametes

Answer 9

• pollen

- ovum

Question 10

how are sex cells produced

Answer 10

• meiosis

Question 11

mitosis process

Answer 11

• chromosomes and cell organelles are copied
• chromosomes are pulled to either side of the cell opposite each other
• the nucleus/ cytoplasm and cell membrane divides
• two genetically identical daughter cells are produced

Question 12

Where are gametes made

Answer 12

• sperm cell = testes

- egg cell = ovaries

Question 13

meiosis

Answer 13

• cell division= mitosis- where the 46 chromosomes duplicate then divide. (not identical)
• after this you have the second division, where the chromosomes and cells divide again.
• 1 parent cell produces 4 gametes, 23 chromosome haploid cells