BIO 30 LEC - handout

Question 1

scientific name for peas used by mendel

Answer 1

Pisum sativum

Question 2

4 reasons why mendels experiment succeeded

Answer 2

1. green peas self-pollinate & produce large number of seeds
2. used parents that are pureline and contrasting traits
3. used quantitative approach (frequencies)
4. he followed up the inheritance of one trait at a time

Question 3

Who criticized mendels work? and why?

Answer 3

Ronald A. Fisher - too good to be true yung experiment ni mendel as close to expected ratios

Question 4

RELEVANCE OF MITOSIS (4)

Answer 4

1. parent and daughter have identical chromosomes, therefore genes can only arise from pre-existing genes
2. integrity of genes is retained over generations
3. mutations can be retained and perpetuated
4. assure continuity and constancy of genetic make-up

Question 5

RELEVANCE OF MEIOSIS (4)

Answer 5

1. conservation of chromosome number
2. combination and recombination of maternal and parental chromosomes
3. provides physical basis for segragation of paired genes
4. genetic recombination/variability