gregor mendel

Question 1

started looking at pea plants ?

Answer 1

1856

Question 2

work recognised

Answer 2

1900

Question 3

3 thing gregor mendel did ?

Answer 3

• studied one characteristic at a time (seed shape, pod colour, stem length)
• carried out multiple trials
• created hybrids of 2 purebreed lines (one pure bred tall and short)
• artificially pollinated (manually)
• applied mathematics to validate laws e.g. monohybrid cross
• controlled environement
• plants were isolated

Question 4

first law of dominance

Answer 4

trait expressed = dominant, trait masked = recessive

Question 5

first law of segregation

Answer 5

-during gamete formation (meiosis)
each pair of genes serperate
each gamete receive one gene for the trait

Question 6

gregor mendel disproved/proved theory of time about blending

Answer 6

disproved, don’t blend but proved matched

Question 7

work was qualitative or quantitative ?

Answer 7

quantitiative

Question 8

published work in ?

Answer 8

1966

Question 9

WHY WAS HIS WORK RECOGNISED SO LONG AFTER PUBLISHED ?

Answer 9

• work was too progressive of time (as little knowledge of cells/meiosis/mitosis/genetics)
• work was different (of time and to other scientists)
• he had no reputation in scientific community

Question 10

genetic makeup =

Answer 10

genotype

Question 11

physical characteristic =

Answer 11

phenotype