Lecture 13 Sexual production

Question 1

asexual production
heterogamy
sexual production

Answer 1

• asexual reproduction: creating 2 individual organisms that are clones
• heterogamy: alternation between asexual and sexual cycles (depends on environment)
• sexual reproduction: the offspring is different than the parents

Question 2

asexual production

Answer 2

binary fission (cloning, mitosis) 
budding 
vegetative reproduction spore 
formation fragmentation 
agamogenesis- parthenogenesis

Question 3

Purpose of sex

Answer 3

mixing the genomes of two individuals in order to produce completely new genetic recombinants

Question 4

diploid organisms vs haploid organisms

Answer 4

p

Question 5

egg cells and sperm cells

Answer 5

p

Question 6

Meiosis:
Fertilization:

Answer 6

Meiosis: creation of gametes (haploid, n) from diploid cells (2n)
Fertilization: fusing of gametes (n) into a diploid zygote (2n, fertilized egg)

Question 7

meiosis vs mitosis

Answer 7

meiosis: reductional division that cuts the number of chromosomes in half
mitosis: the number of chromosomes stays the same

Question 8

Homologous recombination during the … in meiosis is a big source of diversity

During meiosis … different gametes are formed

Answer 8

crossover

4

Question 9

fertilization

Answer 9

p