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Bignell Mendel on Patterns of Inheritance

Bignell Mendel on Patterns of Inheritance - all of the...

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Bignell Mendel on Patterns of Inheritance O How did Mendel’s approach to answering scientific questions differ from that of his contemporaries? He focused on 7 traits: plant height, flower color, flower position, pod color, pod shape, seed color, and seed shape; others focused on many of traits. He used thorough documentation and quantified all of his experimental results, and his study subject was a pea. O How did his novel approach contribute to his success in describing how traits are inherited? He studied the pea plant and he kept reproducing the plant until he felt he had a stable plant to go by. He never used wording like partly. All of the assessments were of the full. In his studies he used Mathematical Analysis. O What advantages did he enjoy by choosing to study the garden pea? The pea was easily reproduced. Most pea plants are self-fertilizing. Their cells reproduce the same as other cells. He could cross pollinate
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Unformatted text preview: all of the different verities; the experiments were done in a controlled setting. 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. 1. Individuals carry one of two or more forms of the DNA sequence of a particular gene . These two alleles for a given trait may be identical. This is said to be homozygous for that trait. If they differ it is said to be heterozygous for that trait. 2. Prior to reproduction, pairs of alleles are separated so that gametes contain only one allele from each pair. At fertilization, gametes fuse, contributing one allele for each trait to the new offspring. 3. Heterozygous parents are equally likely to pass either of their two alleles on to their offspring. Gametes combine at the fertilization stage not knowing to which alleles they carry. It is a matter of chance on witch individual inherits are passed on....
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