Cells Division In Sexual Repreduction

Question 1

Meiosis Results in Sex Cells, Called Gametes, which have Only Half the Original Number of ________________.

Answer 1

Chromosomes.

Question 2

When a Cell Divides to Form Gametes:

Answer 2

• The Genetic Information is Copied, so there are Four Sets (Each Set is Known as a Chromatid).
• The Cell then Divides Twice in Quick Succession to Form Four Gametes Each with a Single Set of Chromosomes.

Question 3

Gametes Contain ____________ Mixtures of the Original Chromosomes.

Answer 3

Random.

Question 4

When Two Sex Cells Join During _________________, the Single New Cell Formed has a Full Set of Chromosomes.

Answer 4

Fertilisation.

Question 5

Once Fertilisation is Complete, the Number of Cells ____________ Rapidly. As the Embryo Develops, the Cells ______________ to Form Different Tissues, Organs and Organ Systems.

Answer 5

Increases…Differentiate…

Question 6

In Asexual Reproduction, Parent Cells Contain the Same Chromosomes and the ________ Genes as their Parents.

Answer 6

Same.

Question 7

In Sexual Reproduction, the Combination of Genes in the New ______ of Chromosomes will Contain Different Forms of the Same Genes (Alleles) From Each ___________.

Answer 7

Pair…Parent…

Question 8

What is Mitosis?

Answer 8

Making Identical Two.

Question 9

What is Meiosis?

Answer 9

Making Eggs (And Sperm).