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DIA [1.3K]
3 years ago
12

What's a real life example of a chromosome?

Biology
1 answer:
e-lub [12.9K]3 years ago
5 0

Answer:

The "X" or "Y" gene that determines whether you will be a boy or a girl is an example of a chromosome .

Explanation:

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Put yourself in the role of each of the following people:
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What type of energy breaks the bonds in the water molecules
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Suppose two independently assorting genes are involved in the pathway that determines fruit color in squash. These genes interac
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120 white individuals

30 yellow individuals

10 green individuals  

Explanation:

Available data:

  • Dominant epistasis: Phenotypic frequencies 12:3:1
  • W allele codes for a dominant white phenotype
  • w allele codes for a colored squash
  • Y allele codes for a dominant yellow phenotype
  • y allele codes for a recessive green phenotype
  • W allele will always mask the phenotype produced by Y or y alleles
  • 160 offspring

Dihybrid Cross

Parental)   WwYy      x      WwYy

Gametes) WY   Wy    wY    wy

                 WY   Wy    wY    wy

Punnet Square)

                            WY         Wy        wY       wy

               WY     WWYY   WWYy   WwYY  WwYy

               Wy      WWYy   WWyy    WwYy  Wwyy

               wY      WwYY   WwYy    wwYY  wwYy

               wy       WwYy   Wwyy    wwYy  wwyy

F1 Phenotypic Frequency)

White phenotype: 12/16 = 120 individuals

Yellow phenotype: 3/16 = 30 individuals

Green Phenotype: 1/16 = 10 individuals

To know how many offspring are expected to have the white, yellow, and green phenotypes, you can perform a three simple rule. This is:

16 ------- 160 offspring

12 White ------- X = 120 offspring

3 Yellow ------- X= 30 offspring

1 Green --------X = 10 offspring              

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