Cell Cycle, Chromosomes & DNA Set 1

Results

#1. A man receives his x chromosome from

his mother only

his father only

part from his father and part from his mother

either his mother or his father

#2. Genes located on the same chromosome

are assorted independently b. c. d.

obey Mendel’s law of independent assessment

are not lined

are linked

#3. Crossing over occurs when genetic information is exchange between tow

chromatids of a chromosome

long arms of a chromosome

chromatids of two homologous

non homologues chrorhosomes

#4. The failure of homologous chromosomes to detach and segregate during meiosis is called:

crossing over

no disjunction

sysnapsis

linkage

#5. Which of the following defects is not caused by non disjunction?

Down syndrome b. c. d.

Turner syndrome

Klinefelter’s syndrome

Acquired immuno deficiency syndrome

#6. Individual having Down’s syndrome, contains chromo-some number

#7. Females with Turner’s syndrome have chromosomes

xxx

xxy

#8. In Klinefelters syndrome females posses

xxy

xxx

#9. Which of the following is the symptom of Down’s syndrome?

physical and mental abnormality

sexual immaturity

criminal tendency

colour blindness

#10. In which of the following females have 45 chromosome number?

Down’s syndrome

Turners syndrome

Klinefelter’s Syndrome

Immuno deficiency syndrome

Finish