$BB$ $gt:B$

$Bb$ $gt:B,b$

$aaBb$ $gt:aB,ab$

$Aabb$ $gt:Ab,ab$

$AaBb$ $gt:AB,Ab,aB,ab$

$AA$ $gt:A$

$Aa$ $gt:A,a$

$AABb$ $gt:AB,Ab$

$AaBB$ $gt:AB,aB$

$F_1$ toàn quả đỏ \(\rightarrow\) Quả đỏ >> quả vàng.

Quy ước:  \(A\) quả đỏ; \(a\) quả vàng.

\(P:AA\times aa\)

\(G_P:A\)      \(a\)

\(F_1:100\%Aa\) (quả đỏ)

\(F_1\) giao phấn:

\(F_1\times F_1:Aa\times Aa\)

    \(G_{F_1}:A,a\)       \(A,a\)

\(F_2:1AA;2Aa;1aa\) (3 đỏ; 1 vàng)

\(a,\) \(F_1\) toàn thân cao \(\rightarrow\) Tính trạng thân cao là trội.

\(\rightarrow\) Thân thấp là lặn.

Quy ước: \(A\) thân cao; \(a\) thân thấp.

- Thân cao thuần chủng kiểu gen \(AA\) còn thân thấp thuần chủng \(aa\)

\(b,\) \(P_{tc}:AA\times aa\)

\(G_p:A\)             \(a\)

\(F_1:100\%Aa\) (thân cao) 

\(c,\) Lai phân tích: 

\(P_{F_1}:Aa\times aa\)

\(G_p:A,a\)      \(a\)

\(F_2:1Aa;1aa\) (1 thân cao; 1 thân thấp)

Mạch 1: \(3'-G-T-G-X-T-A-G-T-X-5'\)

Mạch 2: \(5'-X-A-X-G-A-T-X-A-G-3'\)

Use the structure "different from" to complete the sentences below.
1.My house is small and old. Your house is spacious and modern.
-> My house is different from yours.
2.My mother's favourite food is noodle. My favourite food is rice.

-> My mother's favourite food is different from mine.
3. My best friend has a powerful personality. I have a weak personality.

-> My best friend's personality is different from mine.

4.Life in the countryside is quiet and peaceful. Life in the city is exciting.

-> Life in the countryside is different from life in the city.
5. Lan's school is Hai Ba Trung School. Hue goes to Nguyen Hue School.

-> Lan's school is different from Hue's school.
6. My hobby is collecting stamps. My brother's hobby is playing the piano.

-> My hobby is different from my brother's hobby.

ɪ. Circle the word having different sound in the underlined part.
1. A. Arrived B. believed C. Received D. Hoped
2. A. Opened B. knocked C. Played D. Occurred
3. A. Needed B.  booked C. Stopped D. Washed
4. A. Dimmed B. travelled C. Passed D. Stirred
5. A. Tipped B. begged C. Quarrelled D. Carried
6. A. Tried B. obeyed C. Cleaned D. Asked
7. A. Packed B. added C. Worked D. Laughed
8. A. Watched B. phoned C. Referred D. Followed
9. A. Agreed B. succeeded C. Smiled D. Loved
10. A. Laughed B. washed C. Helped D. Waited
11 A. Developed B. Planted C. Needed D. Wanted
12 A. Enjoyed B. Cooked C. Volunteered D. Played

1. You mustn't park your car on bends.

2. You must tidy the classroom.

3. You must help me for my work.

4. You mustn't do it again.

6. You mustn't drive without a seat belt.

7. You mustn't blow your nose in public in Japan.

8. In the UK, you mustn't talk with your mouth full.

9. In some Muslim countries, you mustn't eat with your left hand.

10. In lots of countries, you must eat everything on your plate.

They/ very happy/ share/ stories/ family and neighbor's

=> They are very happy to share their stories with their family and neighbors.

We/ used/ go/ school/ bike/ when we/ be/ young

=> We used to go to school by bike when we were young.