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Zinaida [17]
2 years ago
8

5. Which offspring could not arise from the parent cells with the chromosomes shown below? Assume crossovers can occur between c

hromosome pairs in the parent
cells
Parent 1
Parent 2
Allele key
Dominant
C- Curly wing
B - Brown body
L-Legs on head
R- Red eyes
Recessive
C - normal wing
b - black body
I - antenna
r- orange eyes

Biology
2 answers:
Fynjy0 [20]2 years ago
5 0

Answer:

<em>If it served you, give me 5 stars please, thank you!</em>

________________________________________________________

Correct answer: B, Offspring B.

The genotype of the parents are CcBbLLRR and CcBbLlRr respectively. Crossing over takes place between 2 non-sister chomatids. After crossing over between the parents there are possibilities of forming 3 types of offsprings as depicted in the above image: ccBbLlRr, CcBBLlRR and ccbbLLRr. The offspring B with heterozygous condition for eye colour will have Rr genes. R- red colour is the dominant color over orange color.

Elza [17]2 years ago
3 0

Answer:The answer is B because with 3/4 of the L trait being dominant, it’s impossible to have an offspring with the recessive trait

Explanation:

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