True/False

10. Organisms with the same morphological phenotype (e.g., round seeds) might differ in molecular phenotype and genotype.

12. When constructing a Punnett square for a dihybrid cross, each side of the square should have four possible gametes listed, each including one allele.

13. When referring to the independent segregation of the W, w, G, and g alleles, it is implied that if a gamete contains W, it is equally likely to contain G or g.

14. When referring to independent segregation, the four gametes are formed in equal frequencies as follows: 1/4 WG; 1/4 Wg; 1/4 wG; 1/4 wg.

15. The forked line diagram can predict the outcome of organisms crossed when three genes are in question.

16. In a pedigree diagram, the offspring within a sibship are represented from right to left in order of their birth.

17. With self-fertilization, plants grown from the homozygous WW genotype should be true-breeding for round seeds, whereas those from the ________ genotypes should yield round and wrinkled seeds in a ratio of 3:1.

The questions are about genetics, specifically they investigate concepts like genotype-phenotype relationships, Punnett squares for dihybrid crosses, independent segregation of alleles, forked line diagrams, pedigree diagrams, and self-fertilization genetics.

Explanation:

The student's question involves several true/false statements about genetics, a key topic in Biology. The answers to these questions: 10. True; organisms can have the same morphological phenotype but different genotypes, which results in different molecular phenotypes.

12. False; each side of a Punnett square in a dihybrid cross should have four potential gametes, but each gamete should have two alleles, not one. 13. True; the idea of independent segregation means each allele pair segregates independently during gamete formation. 14. True; independent segregation leads to equal frequencies of each possible gamete in a dihybrid cross. 15. True; forked line method can be used for three or more genes. 16. False; offspring within a sibship in a pedigree diagram are represented from left to right. 17. Homozygous recessive; plants grown from the homozygous recessive genotype would yield a 3:1 ratio of round to wrinkled seeds.

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