Different varieties of apple trees grow to different height. A short variety nam

Question

Different varieties of apple trees grow to different height. A short variety named Balleyfatten grows to an average height of 5 feet, while a taller variety named Peasgood grows to an average height of 35 feet. When a purebred Balleyfatten is cross-pollinated with purebred Peasgood, the resulting F1 offspring are ollao fnet tns rh eet ail nd four are ange from 5 feet to 35 feet tllof a 80 2 plants are crossed, the o offspring, two are 5 feet tall and four are 35 feet tall. A. (1 pt) ls tree height in apples a quantitative or discrete trait? B. (2 pts) How many loci contribute to this trait? ns ire the genoypes for the parental Baleyfaten, parental Peasood and FI bybrid indwiduals. Assume that all types are diploid. :3 (12pt)a Save All Answers Save and Submit MacBook esc F1 F2 F5 4

Explanation / Answer

A) Height is usually a quantitative trait. Here, the height of apple trees are classifieds short (5 ft), medium (20 ft) and tall (35 ft). When, the trees are classified like these, they are considered as discrete trait.

B) The height of the apple trees are controlled by one loci with a pair of genes.

C) The genotypes for the parental Balleyfatten is (tt), the genotype of parental paesgood is (TT) and the genotype of F1 hybrid is (Tt).

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