inheritance patterns

Question 1

what is blending theory?

Answer 1

an (incorrect) idea that offspring are a blend of the parental traits

Question 2

what is the particulate theory of inheritance?

Answer 2

• developed by gregor mendel
• traits inherited as particles, w offspring receiving one from each parent

Question 3

how were pollination and fertilisation controlled in mendel’s experiments?

Answer 3

male organs were removed and flowers were manually pollinated

Question 4

what are monohybrid crosses?

Answer 4

parental varieties w contrasting traits for 1 character crossed

Question 5

what is a dihybrid cross

Answer 5

cross breeding parents w differing traits in TWO characteristics!!!

Question 6

what is the law of independent assortment?

Answer 6

copies of different genes assort independently
- in context of meiosis
-> chromosomes segregate independently during the formation of gametes, so do any 2 genes located on separate chromosome pairs

Question 7

what was the key to success in mendel’s experiments?

Answer 7

1) true breeding lines
2) large sample size