1. Sexual reproduction Life cycles and the alternation of generations 2. Sexual reproduction in animals Animals have diploid body cells and haploid gametes The diploid body…

Centre Number Candidate Number Write your name here Surname Other names Total Marks Paper Reference Turn over P42861A ©2014 Pearson Education Ltd. 1/1/1/1/1/ *P42861A0120*…

1. Campbell & Reece, 2010 Chapter 13 UNIT 3: MEIOSIS REDUCTION DIVISION 2.  In humans, somatic cells (body cells) have: • 23 pairs of homologous chromosomes and…

Slide 1 Sexual reproduction _____. A. requires haploid gametes B. results in a diploid zygote C. creates offspring that ae genetically different from the parents D. all of…

Slide 1 During its life (cell cycle), a cell grows to a maximum size, then it undergoes DNA replication and mitosis. Slide 2 Why do cells divide by mitosis? To replace damaged…

MEIOSIS Why Meiosis? Meiosis is a form of cell division that produces haploid cells. A haploid cell contains one full set of chromosomes. In human, the haploid cells are…

PowerPoint Presentation Lesson plan Starter – Ethical question ‘should x be saved by this therapy’ Main Use the big picture magazine Plenary Agree and disagree statements…

Trisomy Trisomy Prepared by : Dr.Maher Shoblak Dr. Zuhair Dajani Dr. Mary Baraka Trisomy A trisomy is a type of polysomy in which there are three instances of a particular…

Trisomy Trisomy Prepared by : Dr.Maher Shoblak Dr. Zuhair Dajani Dr. Mary Baraka Trisomy A trisomy is a type of polysomy in which there are three instances of a particular…