The resulting phenotypes are 75% flies with <em>red eyes, curly wings, brown body, and legs on the head </em><em>(R-C-B-L-) </em><em>and 25% </em>flies with<em> white eyes, normal wings, yellow body, and antennae on the head</em><em> (rrccbbll)</em><em>.</em>
<h3>Experiment</h3>
- In this experiment, we are performing a cross between two individuals that are heter0zyg0us for all the traits under study.
- Each trait is coded by a single diallelic gene.
- We will assume they assort independently and there is no interaction between them.
<h3>TRAITS</h3>
<h3>wing shape</h3>
- Dominant allele C codes for curly wings,
- Recessive allele c codes for normal wings
<h3>bodycolor</h3>
- Dominant allele B codes for brown
- Recessive allele b codes for yellow
<h3>antenna type</h3>
- Dominant allele L codes for legs on the head
- Recessive allele l codes forantennae on the head
<h3>eye color </h3>
- Dominant allele R codes for red eyes
- Recessive allele r codes for white eyes
<h3>Cross</h3>
Parentals) RrBbCcLl x RrBbCcLl
Gametes) RCBL, rbcl RCBL, rcbl ⇒ No crossing over
Punnett square) RCBL rcbl
RCBL RRCCBBLL RrCcBbLl
rcbl RrCcBbLl rrccbbll
F1)
- 1/4 = 25% of the progeny is expected to be RRCCBBLL, expressing <em>red eyes, curly wings, brown body, and legs on the head</em>
- 2/4 = 50% of the progeny is expected to be RrCcBbLl, expressing <em>red eyes, curly wings, brown body, and legs on the head</em>
- 1/4 = 25% of the progeny is expected to be rrbbccll, expressing <em>white eyes, normal wings, yellow body, and antennae on the head.</em>
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The resulting phenotypes are:
- 3/4 = 75% flies with <em>red eyes, curly wings, brown body, and legs on the head.</em>
- <em>1/4 = 25% </em>flies with<em> white eyes, normal wings, yellow body, and antennae on the head.</em>
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<em>You can learn more about </em><em>drosophila traits</em><em> at</em>
<em>brainly.com/question/2240567</em>
<em>brainly.com/question/1658614</em>
<em>brainly.com/question/2234658</em>
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The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle.
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