bg11-rsexuada
Quiz
•
Science
•
11th Grade
•
Medium
clara tavares
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
na formação dos gÂmetas a ploidia passa de
n para 2n
n+n para 2n
2n para n
2n para n+n
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
na profase I ocorre sinapse, o seja
crossing-over
formação de pontos de quiasma
emparelhamento de bivalentes
espiralização da cromatina
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
se em Profase I houver 10 bivalentes, em telofase II haverá
10 cromossomas
20 cromatídeos
20 centrómeros
5 bivalentes
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
em A e B observa-se ___ e em C e D ____
metafase ... anafase
anafase ... metafase
profase ... anafase
metafase ... profase
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Se em telofase II estiverem em cada núcleo 20 cadeias polinucleotídicas de DNA, então em G2 havia ___ cromossomas e em telofase I eram ___ centrómeros em cada núcleo.
10 ... 20
20 .. 10
40 ... 20
20 ... 40
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
as mutações cromossómicas numéricas podem resultar
do crossing-over
da não separação de cromossomas homólogos
da separação de cromossomas não homólogos
da descondensação dos cromossomas
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
os descendentes de reprodução por partenogénese possuem nas suas células
metade do número de cromossomas do progenitor
o dobro do número de cromossomas do progenitor
cromossomas com novas combinações genéticas
o mesmo número de cromossomas que o progenitor
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