EE = floppy ears Ee = floppy ears bb = brown fur ee = pointed ears BB = black fur Bb = black fur 1. A female dog with the genotype BBee is crossed with a male dog with the genotype bbEe The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Ве Ве Ве Ве bE BbEe How many out of 16 have: black fur and floppy ears? be Bbee Bbee Bbee Bbee black fur and pointed ears? ....... brown fur and floppy ears? bE BbEe brown fur and pointed ears? be Bbee Bbee Bbee Bbee ...... ........ 2. Show the cross: bbEe x BBEE How many out of 16 have: black fur and floppy ears? black fur and pointed ears? brown fur and floppy ears? brown fur and pointed ears?

EE = floppy ears Ee = floppy ears bb = brown fur ee = pointed ears BB = black fur Bb = black fur 1. A female dog with the genotype BBee is crossed with a male dog with the genotype bbEe The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Ве Ве Ве Ве bE BbEe How many out of 16 have: black fur and floppy ears? be Bbee Bbee Bbee Bbee black fur and pointed ears? ....... brown fur and floppy ears? bE BbEe brown fur and pointed ears? be Bbee Bbee Bbee Bbee ...... ........ 2. Show the cross: bbEe x BBEE How many out of 16 have: black fur and floppy ears? black fur and pointed ears? brown fur and floppy ears? brown fur and pointed ears?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter3: Transmission Of Genes From Generation To Generation

Section: Chapter Questions

Problem 18QP: More Crosses with Pea Plants: The Principle of Independent Assortment Determine the possible...

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In sweet pea plant, an allele for purple flowers (P) is dominant when paired with a recessive allele for red flowers (p). An allele for long pollen grains (L) is dominant when paired with a recessive allele for round pollen grain (l). Bateson and Punnett crossed a plant having purple flowers/long pollen grains with one having white/flowers/round pollen grains. All F1 offspring had purple flowers and long pollen grains. Among the F2 generation, the researchers observed the following phenotypes: 296 purple flowers/long pollen grains 19 purple flowers/round pollen grains 27 red flowers/long pollen grains 85 red flowers/round pollen grains What is the best explanation for these results?
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