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nignag [31]
4 years ago
5

I want to design an experiment to see if drinking coffee

Biology
2 answers:
Natali5045456 [20]4 years ago
8 0

Answer:

Explanation: the Experimental group would be a congregation of students.

Leno4ka [110]4 years ago
4 0
The experimental group would be students who are drinking coffee before a test. The results of the experiment depend on their mental ability after drinking the coffee.
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Answer: genotype - the genetic constitution of an individual organism.

verb

phenotype - the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

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Julia is trying to place a duckbilled platypus, lizard, bear, and monkey on a phylogenetic tree. She learns that the duckbilled
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The additional information required is that the platypus lays eggs like a reptile.

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2 years ago
A true-breeding woman with attached ear lobes marries a true-breeding man with free earlobes. What is the percent chance they wi
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3 years ago
Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an F2 gener
pashok25 [27]

Answer:

C. The green allele is recessive to the yellow allele

Explanation:

Complete dominance occurs when one gene variant or allele referred to as the 'dominant allele' completely masks the expression of another allele referred to as the 'recessive allele' in heterozygous individuals, i.e., in individuals carrying one copy of the dominant allele and one copy of the recessive allele for a particular locus/gene (whereas homo-zygous individuals carry the same alleles for a given locus/gene). Mendel crossed pure lines of pea plants, i.e., homo-zygous lines for different traits such as seed color (yellow and green) and seed shape (round and wrinkled). In this case, the parental cross was YY x yy, where the 'Y' allele is dominant and encodes for yellow seed color, and the 'y' allele is recessive and encodes for green seed color. From this cross, Mendel obtained a hybrid F1 (i.e., all progeny was heterozygous with genotype Yy). An expected 3:1 ratio as observed in this case (6,022 yellow and 2,001 green seed >> 3:1 ratio) is characteristic of the progeny that results from mating between F1 heterozygous parents, where each parent has one dominant allele and one recessive allele, i.e., F1 parental cross: Yy x Yy >> F2: 1/4 YY (yellow color); 1/2 Yy (yellow color); 1/4 (green color) >> 3:1 ratio of yellow to green seeds.

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