CB3a Meiosis REVISIT

Question 1

Zygote (defintion)

Answer 1

A fertilised egg cell

Question 2

Gametes (defintion)

Answer 2

Sex cells (egg and sperm)

Question 3

Fertilisation

Answer 3

The fusing of a male gamete with a female gamete

Question 4

Name the process that turns the zygote into a ball of cells

Answer 4

Mitosis

Question 5

Genome

Answer 5

All of the DNA in an organism. Each body cell contain a copy of the genome

Question 6

Haploid

Answer 6

A cell that has only one set if chromosomes (23)

Question 7

Diploid

Answer 7

A cell that has a two sets of chromosomes (46)

Question 8

How many individual chromosmes does a human zygote have?

Answer 8

46

Question 9

How many chromsomes does a sperm cell have?

Answer 9

23

Question 10

Gene (protein)

Answer 10

A section of the long strand of DNA found in a chromosome which often contains instructions for a specific protein

Question 11

Proteins are polymers, made by a chain of amino acids linked together. The order of these amino acids are controlled by a…

Answer 11

gene

Question 12

Roughly how many genes does a human have?

Answer 12

20,000

Question 13

How many daughter cells does meiosis produce?

Answer 13

4