subject
Biology, 28.03.2021 16:10 dummynate

2. Describe any 10 practical applications of the knowledge of genetics to solve human problems (20 marks)
3. (a) Outline reasons why Gregor Mendel chose garden pea (Pisum sativum)
study of inheritance (6 marks)
(b) Give four conclusions drawn by Mendel based on observations in table
(8 marks)
Trait
Cross
F1
F2 count
F2 phen
Seed form
Round (R) * Wrinkled (W)
All R.
3 R:1
Cotyledon colour Yellow (Y) Green (G)
5474 R
1859 W
6022 Y
2001 G
All Y Y
3Y:1
(c) State Mendel's first law of segregation (4 marks)
SECTION B: CROP IMPROVEMENT
4. Write short notes on the following plant breeding methods (4 marks each)
i. pedigree selection​

ansver
Answers: 3

Another question on Biology

question
Biology, 21.06.2019 20:00
Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area
Answers: 1
question
Biology, 22.06.2019 02:30
Sally and sue were investigating the topic of friction in science. they used a small car and a ramp as seen in the picture to test what they were learning. they knew that they slipped easily on waxed floors but not on carpet, so they decided to change the material on the surface of the ramp to see what happened. they planned to use glass, carpet, aluminum foil, and sandpaper and run the car down the ramp over each surface. what would be the best research question to guide the girls' experiment? a) does the amount of surface area affect the friction on the moving car? b) will the car travel fastest on the glass surface? c) how does the angle of the ramp affect the speed of the car? d)do rougher surfaces tend to create more friction than smooth surfaces?
Answers: 1
question
Biology, 22.06.2019 03:00
Which sentence best describes the relationship between chlorophyll and the chloroplast? a.)chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.
Answers: 1
question
Biology, 22.06.2019 04:30
Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?
Answers: 1
You know the right answer?
2. Describe any 10 practical applications of the knowledge of genetics to solve human problems (20...
Questions
question
Mathematics, 09.10.2021 14:00
question
Mathematics, 09.10.2021 14:00
question
Mathematics, 09.10.2021 14:00