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crimeas [40]
3 years ago
12

Which statement correctly describes the mechanism of inheritance?

Biology
2 answers:
Eva8 [605]3 years ago
6 0
  • The statement that alleles on homologous chromosomes determine traits, correctly describes the mechanism of inheritance.
  • Homologous chromosomes are defined as a pair of chromosomes which have the genes arranged on them in the same order however the alleles may be different.
  • The chromosome pair of homologous chromosomes is formed because a diploid organism has one paternal and one maternal chromosome, and when these 2 chromosomes pair together we get a homoglous chromosmes.
  • The variants of a particular gene present on the chromosome are known as alleles.
  • The combination of the alleles transferred from the parents to the offspring is responsible for the inheritance of traits.

inessss [21]3 years ago
5 0
Alleles on homologous chromosomes determine traits.

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Answer: The frequency of GG is 0.64

Explanation: using Hardy-weinberg equation

g^2 + 2Gg + G^2 =1 ................(1)

And the sum of the alleles at the locus must be 1.

Therefore:

G + g = 1 ..............................(2)

Since

G=0.8

g= 0.2

G^2 =GG (Homozygous G gene)

g^2 = gg (Homozygous g gene)

Using equation 1

GG+ (2×0.8×0.2) + gg =1

Therefore

GG + 0.32 + gg = 1

GG + gg = 0.68...............(3)

Solving equation 2

G + g = 1

g = 1 - G

Square both side

g^2 = (1 - G)^2 ...............4

Where g^2 = gg

Therefore gg = (1 - G)^2.............(5)

Substitute equation 5 into equation 3

GG + (1 - G)^2 = 0.68

Therefore

GG = 0.68 - (1 - G)^2

GG = 0.68 - (1 - 0.8)^2

GG = 0.68 - 0.04

GG = 0.64

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