The fur in both parents in this cross is B Bb x Bb b 3 4 brown O black homozygous dominant O homozygous recessive 2.

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The image shows a genetic cross using a Punnett square to determine fur color in offspring. Both parents have the genotype "Bb", indicating they are heterozygous for a trait where "B" is the dominant allele and "b" is the recessive allele.

### Punnett Square Details:

- The square is divided into four boxes and labeled:

  - **Box 1:** BB
  - **Box 2:** Bb
  - **Box 3:** Bb
  - **Box 4:** bb

### Interpretation:

- **Genotype Outcomes:**
  - **25% chance** of being homozygous dominant (BB),
  - **50% chance** of being heterozygous (Bb),
  - **25% chance** of being homozygous recessive (bb).

### Question Below the Diagram:

- **The fur in both parents in this cross is:**
  - Brown
  - Black
  - **Homozygous dominant** (checked)
  - Homozygous recessive

This indicates that both parent organisms were thought to have fur from the dominant "B" allele, as both have "Bb" genotypes.

This exercise helps illustrate basic Mendelian genetics and the concept of dominant and recessive alleles.
Transcribed Image Text:The image shows a genetic cross using a Punnett square to determine fur color in offspring. Both parents have the genotype "Bb", indicating they are heterozygous for a trait where "B" is the dominant allele and "b" is the recessive allele. ### Punnett Square Details: - The square is divided into four boxes and labeled: - **Box 1:** BB - **Box 2:** Bb - **Box 3:** Bb - **Box 4:** bb ### Interpretation: - **Genotype Outcomes:** - **25% chance** of being homozygous dominant (BB), - **50% chance** of being heterozygous (Bb), - **25% chance** of being homozygous recessive (bb). ### Question Below the Diagram: - **The fur in both parents in this cross is:** - Brown - Black - **Homozygous dominant** (checked) - Homozygous recessive This indicates that both parent organisms were thought to have fur from the dominant "B" allele, as both have "Bb" genotypes. This exercise helps illustrate basic Mendelian genetics and the concept of dominant and recessive alleles.
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