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allsm
3 days ago
9

Un jardinero cruzó dos plantas de flores rosadas, con la esperanza de obtener plantas con flores del mismo color. Su sorpresa fu

e encontrar que, en la descendencia, aparecían flores rojas, rosadas y blancas en la proporción 1:2:1. Pregunta: a) ¿En qué se diferencia la herencia del color de estas flores y la de los guisantes? b) Indica el genotipo de las plantas del cruzamiento descrito.
Biology
1 answer:
s2008m [1.6K]3 days ago
4 0

Response:

Este es un ejemplo de dominancia incompleta. Se trata de un fenómeno genético que se manifiesta cuando un gen dominante no logra expresar su totalidad en el alelo recesivo en un alelo heterocigoto dominante.

Por ende, ambos rasgos se muestran, dando lugar a una fusión de los dos alelos para los colores (blanco y rojo). El alelo rojo dominante muestra dominio parcial sobre el alelo blanco recesivo, produciendo así el alelo completamente rosado.

Según la ley mendeliana, las dos flores rojas son heterocigóticas. Por lo tanto, las flores rojas dominantes heterocigóticas deben ser R. El alelo blanco es recesivo (rr) y es enmascarado por el R rojo,

Sin embargo, al cruzar los dos alelos heterocigotos rojos:

Los fenotipos derivan en forma de

RR, (1) rojo Rr Rr (2) rosa rr (1) Blanco.

Esto ocurre porque el alelo rojo dominante no era total / completamente dominante sobre el alelo recesivo blanco en ninguno de los casos, resultando en un alelo rosa (el tercer fenotipo)

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which statements correctly identify characteristics of Earth and Jupiter? Check all that apply. Earth is an inner planet. Earth
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Answer:

Earth qualifies as an inner planet.

Earth has a greater density compared to Jupiter.

Jupiter is predominantly gaseous.

Just completed the test!

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1 month ago
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What is the difference between ribonucleotides and deoxyribonucleotides?
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Answer:

Ribonucleotides pertain to RNA, while deoxyribonucleotides are part of DNA. More information is provided below.

Explanation:

Ribonucleotides consist of a ribose sugar and a nitrogenous base, but they do not include Thymine; instead, they have uracil. Deoxyribonucleotides, on the other hand, incorporate a deoxyribose sugar along with a nitrogenous base, which includes Thymine.

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Amphiarthrodial joints display ___ movement than synarthrodial joints.
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The response to this inquiry indicates an increase in mobility. The amphiarthrodial joint is located within the rib cage and lacks a synovial cavity, permitting only limited movement. However, movement does not occur at all in synarthrodial joints. An instance of a synarthrodial joint would be the sutures found in the skull, where the joints in adults are immobile and therefore maintain a fixed volume.
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12 days ago
Some single-celled protists, such as paramecia, live in an extremely hypotonic environment and have contractile vacuoles that
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One type of single-celled protists, known as paramecia, can thrive in highly hypotonic environments. Their survival is aided by their capacity to contract vacuoles, which helps them adapt to such conditions.

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26 days ago
"Sunlight is required for plant growth. When light energy is absorbed by a leaf, after a series of chemical reactions, the light
inysia [1669]

Answer:

TRUE

Explanation:

Green plants possess chlorophyll, a green pigment in their leaves. Chlorophyll can absorb the sunlight required for photosynthesis to occur. Photosynthesis refers to the process by which green plants produce food in the presence of light, water (H₂O), and carbon dioxide (CO₂), resulting in the release of glucose and oxygen (O₂) needed for the survival of all living beings.

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13 days ago
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