Hoàn thành các phép lai sau (chỉ xét trường hợp trội hoàn toàn): Phép lai Số kg F1 Số kh F1 Tỉ lệ kg F1 Tỉ lệ kh F1
P: AA x AA

G: A ↓ A

F1: AA

1 1 100%AA 100% trội.
P: AA x Aa

G:

F1:

P: AA x aa

G:

F1:

P: Aa x Aa

G: 1/2A ; 1/2a ↓ 1/2A ; 1/2a

F1: 1/4AA : 2/4Aa : 1/4aa

3 2 1AA : 2Aa : 1aa 3 trội : 1 lặn
P: Aa x aa

G:

F1:

P: aa x aa

G:

F1:

the answer is d. chordata

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

characteristics of hydrocarbons