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lina2011 [118]
3 years ago
14

In the previous question a heterozygous female with horns mated with a male that was homoezygous recessive (no horns). What is t

he ratio of horned to no horned offspring?
Question 16 options:

1:3


1:1
Biology
1 answer:
maksim [4K]3 years ago
4 0

Answer:

1:1

Explanation:

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Three liquids with different densitits are dumped into a glass what do you expect to see
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Gomez found the masses of three rocks for science project .the first rock had a mess of 19.28 grams, the second rock had a mass
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The combined mass of rock 1 and 2 = 19.28 + 25.3
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Why do humans<br> show variation?
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Answer:

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At the molecular level, gene duplication often produces novelty in a lineage. This process provides another evolutionary pathway
alukav5142 [94]

Answer:

Bridgham et al. (2006) showed that the interaction between a steroid hormone (aldosterone-M) and its receptor (mineralocorticoid) evolved by Darwinian gradualism. In this work, the authors demonstrated  a primitive affinity between the hormone and its receptor that was initially present in chemically similar but more ancient ligands. This result has implications in understanding the association between gene duplication and the evolution of hormone signaling pathways. For example, in invertebrates, this work reinforces the importance of gene duplication in the existing interaction between paralogous glucocorticoid receptors and their receptor mineralocorticoid genes that were derived from duplication (Thornton 2001).

The publications above cited are the following:

J.T. Bridgham, S.M. Carroll, and J.W. Thornton (2006). Evolution of hormone-receptor complexity by molecular exploitation. Science, 312(5770), 97-101.

JW Thornton. Evolution of vertebrate steroid receptors from an ancestral estrogen receptor by ligand exploitation and serial genome expansions, Proc Natl Acad Sci USA (PNAS), 2001, vol. 98 10 (pg. 5671-5676).

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