Question

What are the independent variable, dependent variable, for figures 11.8 what are the control and experimental group? Give a prediction that support the hypothesis.

V Figure 11.8 Inquiry Do the alleles for one character segregate into gametes dependently or independently of the alleles for a different after generation? color and seed shape inherited y? Figure 11.8 shows how a ss, a cross between F, dihy- ermine which of these two Experiment To follow the characters of seed color and seed shape through theF tion, Mendel crossed a true-breeding plant with yellow round seeds with a true-e plant with green wrinkled seeds, producing dhybrid F, plants. Self-pollination of the character? This ts of genotype YyRr, ex- inant phenotypes, yellow nd shapes, no matter which dihybrids produced the F generation, The two hypotheses (dependent and orrect. The key step in the o see what happens when llinate and produce E; off- brids must transmit their al- e combinations in which the rited from the P generation ds will produce only two s: YR and yr. This "depen F hypothesis predicts that tio of the F, generation in a monohybrid cross ft side). hypothesis is that the segregate independently er words, genes are tes in all possible allelic g as each gamete has ne. In our example, an four classes of gam- assortment" of the two genes) predict different phenotypic ratios P Generation r Gametes (YR this g chap YyRr Hypothesis of Predictions Hypothesis of assortment independent assortment Sperm Predicted offspring of F2 generation 2. Eggs s: YR, Yr, yR, and yr. If ses fertilize eggs of the be 16 (4 X 4) equally the alleles can ation, as shown in hese combinations Eggs yRr Phenotypic ratio 3:1 categories with a w round to three ow wrinkled to one endel did the ex Phenotypic ratio 9:3:3:1 F, offspring, his Results edicted 9:3:3:1 g the hypothesis ong30810132Phenopic ratio approximately 9331 any Conclusion Only the hypothesis of independent assortment predicts two of the observed regate into alleles of phenotypes: green round seeds and yellow wrinkled seeds (see the right-hand Punnett a characters square). The alleles for each gene segregate independently of those nf tha oth ns and al- two genes are said to assort independenth

Answer 1