3.3.3 Selective Breeding

• What is selective breeding?

  Breeding organisms with desirable traits
• What is one common use of selective breeding in agriculture?

  Improving crop yield
• Selective breeding is controlled by humans, while natural selection is influenced by environmental pressures.


  True
• What is one desirable trait commonly selected in plants?

  High yield
• Selective breeding is often contrasted with natural selection.
• The goal of selective breeding is to improve specific characteristics
• Genetic variation within a population arises from random mutations and genetic recombination.
• Selective breeding leads to faster genetic changes over fewer generations.
• In animals, selective breeding focuses on traits like high meat or milk production.
• Selective breeding is controlled by environmental pressures

  False
• Steps in the process of selecting desirable traits

  1️⃣ Identify desired traits

  2️⃣ Evaluate genetic diversity

  3️⃣ Select breeding pairs

  4️⃣ Breed selected individuals

  5️⃣ Assess offspring

  6️⃣ Repeat process
• Offspring are evaluated to identify those with the most favorable combination of traits
• Genetic variation within a population arises from random mutations and genetic recombination
• Over time, selection leads to changes in the gene pool
• Selective breeding leads to genetic changes in populations.


  True
• How does selective breeding enhance specific traits in organisms?

  By breeding offspring with favorable traits
• Steps in the process of selective breeding:

  1️⃣ Identify desired traits

  2️⃣ Evaluate genetic diversity

  3️⃣ Select breeding pairs

  4️⃣ Breed selected individuals

  5️⃣ Assess offspring

  6️⃣ Repeat process
• Selective breeding involves intentionally breeding organisms with desirable traits
• Selective breeding results in faster genetic changes compared to natural selection
• High genetic diversity within a population increases the options for selective breeding


  True
• Selective breeding is controlled by human breeders


  True
• Selective breeding involves intentional selection of desired traits


  True
• Selecting desirable traits for breeding ensures the improvement of desired characteristics
• Breeding selected pairs ensures offspring inherit desired traits.


  True
• Match the organism with its desired traits:

  Plants ↔️ High yield, Disease resistance

  Animals ↔️ High milk production, Docile temperament
• Natural selection is controlled by environmental pressures
• Selective breeding allows for faster changes in traits compared to natural selection.


  True
• Selective breeding relies on existing genetic variation
• The process of selective breeding involves selecting organisms with desirable traits
• A potential consequence of selective breeding is reduced genetic diversity
• In selective breeding, traits are intentionally selected, whereas in natural selection, traits are unintentionally selected
• One desirable trait in animals is high meat or milk production
• Selective breeding involves intentional selection of desired traits


  True
• Steps in the process of selecting desirable traits for breeding

  1️⃣ Identify desired traits

  2️⃣ Evaluate genetic diversity

  3️⃣ Select breeding pairs

  4️⃣ Breed selected individuals

  5️⃣ Assess offspring

  6️⃣ Repeat process
• Selection acts on genetic variation to change the gene pool of a population.
• Selective breeding in agriculture aims to improve traits like high yield and disease resistance in plants


  True
• Selective breeding contrasts with natural selection, which is driven by environmental pressures.
• Steps in the process of selecting desirable traits for breeding

  1️⃣ Identify desired traits

  2️⃣ Evaluate genetic diversity

  3️⃣ Select breeding pairs

  4️⃣ Breed selected individuals

  5️⃣ Assess offspring

  6️⃣ Repeat process
• High genetic diversity within a population provides more options for selection
• Repeating the breeding process enhances desired traits over generations.


  True