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3 years ago

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a third characteristic studied by gregor mendel in pea plants was smooth seeds on wrinkled seeds. he labeled the smooth S, which

means that the smooth trait was

1 answer:

luda_lava [24]3 years ago

7 0

Dominant. Uppercase is dominant and lowercase is recessive.

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Tay-Sachs disease is a lethal, autosomal recessive genetic disorder. If both parents are heterozygous carriers of the disease, w

rjkz [21]

Answer:

50%

Explanation:

Let's assume that the allele "T" gives the normal phenotype while the recessive allele "t" imparts the disease and is lethal in homozygous condition. The genotype of each of the two carrier parents would be "Tt". A cross between Tt and Tt would give the progeny in the following genotype ratio=

Tt x Tt= 1/4 TT: 1/2 Tt: 1/4 tt

Therefore, 1/2 or 50% progeny would be the carrier for the Tay-Sachs disease.

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The answer for this is: Farthest South.

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Answer:

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The answer would be both A and B (: Which is C.

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