Cytogenetics Mock Test 8

10%

Question 1 of 10

1. In case of XO system if an organism has AA+XO it will be a _______

Female

Neuter

Male

Bisexual

Question 1 of 10

Question 2 of 10

2. In mammals which of the following will be a Turner?

AA+ XO

AA + XXY

AA+ XYY

AA + XO/ XY

Question 2 of 10

Question 3 of 10

3. In bees the males are produced by _________

Mitosis but no fertilization

Meiosis and then fertilization

Mitosis and then fertilization

Meiosis but no fertilizaton

Question 3 of 10

Question 4 of 10

4. The prophase 2 is ______________ mitotic prophase.

Same as

Unrelated

Different from

Similar to

Question 4 of 10

Question 5 of 10

5. An X linked recessive gene would appear to __________________

Be expressed in both males and females equally

Be lethal

Gradually degrade

Skip generations

Question 5 of 10

Question 6 of 10

6. If colorblindness was a dominant trait, which of the following would not be true?

It would be expressed in males

It would be expressed in heterozygous females

It would not skip generations

It would never be turned off

Question 6 of 10

Question 7 of 10

7. Which of the following is true about the attachment of sister chromatid to kinetochore in this phase?

The attachment is at centromere

The sister chromatids seperate

Each chromosome is bound by 2 spindle fibers at the kinetochore

Chromosomes bound by one spindle give negative signal to prevent cycle progression

Question 7 of 10

Question 8 of 10

8. Choose the odd one out on the basis of sex influence.

Gout

Club foot

Cleft palate

Osteoporosis

Question 8 of 10

Question 9 of 10

9. In case of incomplete dominance monohybrid F1 ________________ is 1:2:1.

Phenotype

Genotype

Bothe genotype and phenotype

The ratio is wrong

Question 9 of 10

Question 10 of 10

10. If you cross two roan cows, what percentage of the progeny would you expect to be roan?

75%

50%

25%

10%

Question 10 of 10