The flow chart below shows a schematic representation of line breeding - NSC Agricultural Sciences - Question 4 - 2022 - Paper 2
Question 4
The flow chart below shows a schematic representation of line breeding.
**4.1.1** Identify, in the flow chart above, TWO common ancestors of individuals A and B.
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Worked Solution & Example Answer:The flow chart below shows a schematic representation of line breeding - NSC Agricultural Sciences - Question 4 - 2022 - Paper 2
Step 1
Identify, in the flow chart above, TWO common ancestors of individuals A and B.
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Answer
The two common ancestors of individuals A and B are individuals 4 and 5.
Step 2
Indicate the relationship between individuals 2 and 3.
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Answer
Individuals 2 and 3 are siblings (brother and sister).
Step 3
Name TWO advantages of line breeding.
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Answer
Line breeding leads to stronger progeny through the retention of desirable traits.
It allows for the identification and removal of undesirable recessive characteristics from the breeding stock.
