Stromes Need To Know Exam Terms

Question 1

Mating

Answer 1

Making a cross

Question 2

Dihybrid

Answer 2

HETEROZYGOUS

Question 3

Non-disjunction

Answer 3

Look out for Meiosis 1 or Meiosis 2

Question 4

Homologous

Answer 4

Means 2 affected

Question 5

Testcross

Answer 5

Homozygous

Question 6

When drawing chromosomes

Answer 6

Meiotic -> Meiosis

Miotic -> Mitosis

Question 7

Dihybrid

Answer 7

HETEROZYGOUS

9:3:3:1

Question 8

Epistasis

Answer 8

9:4:3

Question 9

Incomplete Dominance

Answer 9

1:2:1

Question 10

GENOTYPE

Answer 10

Genetically identical

A/A

Question 11

PHENOTYPE

Answer 11

Physically similar

Question 12

HAPLO-insufficient

Answer 12

One is NOT enough!

T/t

Question 13

Haplosufficient

Answer 13

T/T

Question 14

Cell CHROMOSOMES

Answer 14

A/a;B/b

Question 15

NORMAL Meiosis 1

Answer 15

A;B. A;b
A;B. A;b
a;b. Or. a;B
a;b. a;B

*these are all the possible gametes

Question 16

Non-disjunction Meiosis 1

Answer 16

A/a;b. A/a;B
A/a;b. A/a;B
;B. Or. ;b
;B. ;b

*these are all the possible GAMETES

Question 17

Non-disjunction in Meiosis 2

Answer 17

A/A;B. A/A;b
;B. ;b
a;b. Or A;B
a;b. A;B

• these are all the possible GAMETES
• M2 -> 2 are GOOD and 2 are BAD

Question 18

Complementation test

Answer 18

a/a x b/b

A/a;B/b x A/a;B/b

9 purple
7 white

*complementation is when you mate HOMOZYGOUS RECESSIVE with HOMOZYGOUS RECESSIVE

Question 19

(+)

Answer 19

• Compliments

- DIFFERENT gene

Question 20

(-)

Answer 20

• Fails to compliment

- Same gene

Question 21

F2 PHENOTYPE

Answer 21

9:3:4

Question 22

F1 (Incomplete Dominance)

Answer 22

1:2:1

Question 23

Probability

Answer 23

Means to multiply

Question 24

And

Answer 24

Multiply

Question 25

Or

Answer 25

Add