o How did Mendel’s approach to answering scientific questions differ from that of his
contemporaries?
o How did his novel approach contribute to his success in describing how traits are
inherited?
o What advantages did he enjoy by choosing to study the garden pea?
o Piecing It Together on p. 78 of the text describes the six major concluding principles
Mendel hypothesized from his work. Describe three of them.
I suggest you Google Mendel and read the articles on the first page.
Since we have no idea what p. 78 of your text says, we can't help you on your last question.
We don't have your text but someone will be happy to review your work if you show it.
ineed help with science
Review examples 2, 3, and 4 in section 8.4 of the text. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to examples 2, 3, and 4. Post the problem for your classmates to solve.
Consider responding to your classmates by asking clarifying questions or by expanding a classmate’s
Read the text provided or just scan it it is soooo easy. QUIT being LAZY. Y are you in school???
to learn
To answer these questions, let's start with the first one: How did Mendel’s approach to answering scientific questions differ from that of his contemporaries?
Mendel's approach differed from his contemporaries in several ways:
1. Experimental Design: Unlike his contemporaries, who often relied on observational studies, Mendel conducted carefully designed experiments. He carefully controlled the breeding of different pea plants to observe the patterns of inheritance.
2. Quantitative Analysis: Mendel's approach involved counting and measuring various traits of pea plants. He collected numerical data and analyzed it statistically, which was uncommon at the time. This quantitative analysis allowed him to identify clear patterns and draw definitive conclusions.
3. Focus on Pure Traits: Instead of studying complex traits that were influenced by multiple factors, Mendel focused on studying traits that exhibited clear-cut variations. This allowed him to simplify the analysis and understand the basic principles of inheritance.
Now let's move to the second question: How did Mendel's novel approach contribute to his success in describing how traits are inherited?
Mendel's approach contributed to his success in several ways:
1. Clear Experimental Results: By following a strict experimental design and analyzing numerical data, Mendel obtained clear and reproducible results. This enabled him to identify specific patterns of inheritance and accurately describe how traits are passed from one generation to the next.
2. Quantitative Analysis: Mendel's use of statistical analysis helped him recognize the ratios and probabilities of different trait combinations. This allowed him to develop mathematical models and formulate principles of inheritance, which are still widely applicable today.
3. Deductive Reasoning: Mendel's ability to make logical deductions based on his experimental results was another key factor in his success. He carefully reasoned through the patterns he observed and proposed hypotheses to explain them, leading to the formulation of his laws of inheritance.
Moving on to the third question: What advantages did Mendel enjoy by choosing to study the garden pea?
Mendel chose to study the garden pea (Pisum sativum) because it offered several advantages for his research:
1. Easy to Grow: Pea plants are relatively easy to grow and have a short life cycle, allowing for multiple generations to be studied within a short period of time. This facilitated Mendel's experiments and allowed him to observe inheritance patterns across generations.
2. Clear-cut Traits: Pea plants have easily distinguishable and clearly defined traits, such as flower color (white vs. purple), seed shape (round vs. wrinkled), and seed color (yellow vs. green). This made it easier for Mendel to identify and study specific traits, simplifying his analysis and helping him establish general principles of inheritance.
3. Controlled Cross-Pollination: Pea plants can be easily cross-pollinated by hand, enabling Mendel to control the specific combinations of traits he wanted to study. This control over the breeding process allowed him to manipulate the inheritance patterns and test his hypotheses more effectively.
Now, let's address the fourth question: Piecing It Together on p. 78 of the text describes the six major concluding principles Mendel hypothesized from his work. Describe three of them.
Mendel's six major concluding principles, or laws, are as follows:
1. Law of Segregation: Each organism carries two alleles for each trait, but only one allele is passed on to the offspring. The two alleles separate during the formation of gametes, such that each gamete carries only one allele for a particular trait.
2. Law of Independent Assortment: The inheritance of one trait does not influence the inheritance of another trait. The segregation of alleles for one trait occurs independently of the segregation of alleles for other traits, allowing for new combinations of alleles in the offspring.
3. Law of Dominance: In a heterozygous individual, where two different alleles are present for a trait, one allele (the dominant allele) will be fully expressed, while the other allele (the recessive allele) will have no observable effect on the phenotype.
These principles formed the foundation of Mendel's understanding of inheritance and paved the way for future research in genetics.