What is the definition for "hypothesis"?
Why did Mendel study pea plants?
Pea plants were easy to grow, had short generation times, produced many offspring, and showed clear contrasting traits that Mendel could study through controlled breeding.
Before testing the pea plants, Mendel formed a five-part hypothesis. What did Mendel include in his hypothesis? Check all that apply.
Explain the difference between a theory and a law.
A scientific law describes a consistent pattern observed in nature, while a scientific theory explains how or why that pattern occurs. Both are supported by evidence, and a theory does not become a law.
A plant heterozygous for yellow pod color (Yy) is crossed with a plant homozygous for green pod color (yy). Which trait is dominant?
If a plant with purple petals (PP) is crossed with a plant with white petals (pp), what is the phenotype for the F1 generation?
A plant TT for tall height is crossed with a plant tt for short height. The offspring have the genotype Tt. What is the phenotype of the plant? ✔ tall heightshort heightTttt
Mendel studied pea plants for particular traits. When observing the results of his experiments, he created two laws of inheritance. How is a scientific law formed?
A scientific law is formed when repeated observations and experiments consistently support a pattern or relationship in nature.
The law of states that traits are passed from parents to offspring independently of one another.
independent assortment
The law of explains how alleles separate during gamete formation.
segregation
Explain how the alleles were passed from parents to offspring.
Each parent passed one allele to the offspring. The Gg parent passed the dominant G allele, and the gg parent passed a recessive g allele, producing a Gg offspring with green pods.
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Identify the genotype for each numbered item. 1. 2. 3.
2.
3.
Identify the phenotype for item 4.
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