
TEMA 09
Authored by F. LÓPEZ
Biology
University
Used 9+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué los sapiens, neandertales y denisovanos tienen 23 pares de cromosomas y el resto de homínidos 24 pares??
Todos los homínidos tienen 23 pares
Porque los homínidos inferiores perdieron un par de cromosomas
Por una inversión pericéntrica en el cromosoma 4
Por una translocación de tipo Robertsoniano entre 2 cromosomas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué son los ginandromorfos de Drosophila?
Individuos mosaico para características sexuales masculinas y femeninas
Dípteros con cromosomas politénicos en glándulas salivares
Moscas transgénicas que se usan en investigación
Los órganos reproductores masculinos de las moscas
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El efecto de posición es la consecuencia más grave de las duplicaciones en tándem.
Verdadero
Falso
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La batata es una especie autohexaploide 6n = 90. ¿Cuál es su número cromosómico gamético y básico?
n = 15, x = 45
n = 15, x = 15
n = 45, x = 45
n = 45, x = 15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Durante la meiosis, las inversiones pericéntricas conllevan...
La formación de cromátidas dicéntricas
Que todos los gametos sean recombinantes
Que todos los gametos sean parentales
Una mayor variabilidad genética
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