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ANEK [815]
3 years ago
12

Achondroplastic dwarfism is a dominant genetic trait that causes severe malformation of the skeleton. Homozygotes for this condi

tion are spontaneously aborted (hence, the homozygous condition is lethal) but heterozygotes will develop to be dwarfed. Matthew has a family history of the condition, although he does not express the trait. Jane is an achondroplastic dwarf. Matthew and Jane are planning a family of several children and want to know the chances of producing a child with achondroplastic dwarfism. The genotypes of Matthew and Jane are best represented as:________.
A. Matthew Jane AA Aa.
B. Matthew Jane Aa aa.
C. Matthew Jane aa aa.
D. Matthew Jane aa Aa.
Biology
1 answer:
ludmilkaskok [199]3 years ago
6 0

Answer:

D

Explanation:

Matthew is not expressing the trait because he must be carrying the recessive gene of Achondroplastic dwarfism compared to Jane who is a dwarf with the genotype Aa

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