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Amanda [17]
3 years ago
14

Laura and Celia are identical twins. They were adopted at birth by different families and raised in different environments. Howe

ver, there are a lot of behavioral similarities between them. In the context of developmental psychology, which of the following best explains this phenomenon?
A) Their similarities reflect the influence of nature on development.
B) Their similarities are a result of differences in nature.
C) Their similarities reflect the opposition that nurture poses to the nature.
D) Their similarities prove that they were not affected by their genetic makeup.
Biology
1 answer:
timofeeve [1]3 years ago
3 0

Answer:genetic make up was not affected

Explanation:outside factors can not alter someone's genetic traits;as twins no matter where they are and what environment they are in they will still possess similar genes.

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Determine the phenotypic ratios of the offspring. 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constrict
skad [1K]

From a cross between dihybrid individuals, whose diallelic genes code for one trait each, expressing complete dominance, the phenotypic ratio is B) <em>9 green-inflated : 3 green-constricted : 3 yellow-inflated :1 yellow-constricted.</em>

-------------------------------

<em />

<em>Since I do not have the cross, I will assume the cross involves two dihybrid individuals by looking at the options.</em>

So, let us picture the situation,

  • Two diallelic genes code for one trait each, color and inflated/constricted pods.
  • G allele is the dominant and codes for green pods
  • g allele is recessive and codes for yellow pods
  • I is the dominant allele and codes for inflated pods
  • i is recessive and codes for constricted pods
  • These genes are not linked

1st Cross)   Two h0m0zyg0us individuals

Parental)  GGII     x     ggii

F1) 100% GgIi

2nd Cross) Selfcross between F1 individuals

Parentals)   GgIi    x    GgIi

Gametes) GI, Gi, gI, gi

                GI, Gi, gI, gi

Punnett square)     GI        Gi        gI       gi

                     GI      GGII     GGIi   GgII   GgIi

                     Gi      GGIi      GGii   GgIi   Ggii

                      gI      GgII     GgIi    ggII    ggIi

                      gi      GgIi     Ggii    ggIi     ggii

F2)    Genotype

  • 1/16 GGII
  • 2/16 GGIi
  • 1/16 GGii
  • 2/16 GgII
  • 4/16 GgIi
  • 2/16 Ggii
  • 1/16 ggII
  • 2/16 ggIi
  • 1/16 ggii

   

       Phenotype

  • 9/16 G-I- ⇒ Green and Inflated
  • 3/16 G-ii ⇒ Green and constricted
  • 3/16 ggI- ⇒ Yellow and inflated
  • 1/16 ggii ⇒ Yellow and constricted

Phenotypic ratio 9:3:3:1

<u>Options</u>

<u />

A) 9 yellow-inflated : 3 yellow-constricted : 3 green-inflated: 1 green-constricted ⇒ NOT CORRECT

B) 9 green-inflated : 3 green-constricted : 3 yellow-inflated : 1 yellow-constricted ⇒ <u>CORRECT</u>

C) 9 green-constricted : 3 green-inflated : 3 yellow-constricted : 1 yellow-inflated ⇒ NOT CORRECT

D) 9 yellow-constricted : 3 yellow-inflated : 3 green-constricted : 1 green-inflated ⇒ NOT CORRECT            

-----------------------------

Related link:  brainly.com/question/1185199?referrer=searchResults

                       brainly.com/question/12541734?referrer=searchResults

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It is abundant and can easily react with various elements.

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