1.1.1 The theory of evolution by natural selection was first described by
A - NSC Life Sciences - Question 1 - 2016 - Paper 2
Question 1
1.1.1 The theory of evolution by natural selection was first described by
A. Gregor Mendel.
B. Watson and Crick.
C. Jean Baptiste de Lamarck.
D. Charles Darw... show full transcript
Worked Solution & Example Answer:1.1.1 The theory of evolution by natural selection was first described by
A - NSC Life Sciences - Question 1 - 2016 - Paper 2
Step 1
1.1.1 The theory of evolution by natural selection was first described by
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Charles Darwin is widely recognized for the theory of evolution by natural selection. His work laid the foundation for modern evolutionary biology, explaining how species evolve over time through natural processes.
Step 2
1.1.2 When an individual that is homozygous dominant for a particular characteristic is crossed with an individual that is homozygous recessive for the characteristic, all the offspring would be ...
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The offspring would be heterozygous, which means they have one dominant and one recessive allele. This results in all offspring displaying the dominant characteristic.
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1.1.3 The absence of the protein melanin results in the disorder called ...
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The absence of melanin leads to albinism, a genetic condition in which individuals have little to no pigment in their skin, hair, and eyes.
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1.1.4 A hummingbird uses its long beak to feed on the nectar in flowers. The reason that Lamarck would have provided for the long beak of the hummingbird is that...
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Lamarck might have argued that the hummingbird's long beak evolved due to its use in feeding on long flowers, suggesting that physical traits can develop in response to environmental needs and can be inherited by future generations.