Mendels Laws and Vocabulary

Question 1

What are the 3 laws of heredity

Answer 1

1. inherited characteristics are controlled by genes in PAIRS
2. Principle of dominance: one gene (factor) masks the other
   -the dominent gene will always be present when expressed and the recessive will when present on HOMOZYGOUS form
3. mendels law of segregation: a pair of genes separate and segregate during formation of sex cells

Question 2

Alleles

Answer 2

2+ alternate forms of a gene
(T vs t)

Question 3

Genotype

Answer 3

the genes that an organism has for a specific trait
(TT, Tt, tt)

Question 4

Phenotype

Answer 4

observable traits
tall vs short

Question 5

Homozygous + 2 nicknames

Answer 5

a GENOtype where both genes of the pair are identical
(pure or true)
TT/tt

Question 6

Heterozygous + 2 nicknames

Answer 6

a GENOtype in which the pairs are different
(hybrid/carrier)

Question 7

Punnett Square
-a _____ used to show what?
-predicts what?

Answer 7

-chart to show possible outcomes of alleles in offspring
-probability of geno and phenotypes with fertalization