Home
Class 12
BIOLOGY
Based on Lyon's hypothesis, mention the ...

Based on Lyon's hypothesis, mention the number of Barr bodies in XXY males, XO females.

A

Nil

B

One

C

Two

D

Infinity

Text Solution

Verified by Experts

The correct Answer is:
A

Nil
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER -17

    FULL MARKS|Exercise ZOOLOGY (PART - II )|6 Videos
  • SAMPLE PAPER -17

    FULL MARKS|Exercise ZOOLOGY (PART - III )|5 Videos
  • SAMPLE PAPER -17

    FULL MARKS|Exercise BOTANY (PART - IV )|4 Videos
  • SAMPLE PAPER -03

    FULL MARKS|Exercise BIO-ZOOLOGY ( PART -IV)|2 Videos
  • SAMPLE PAPER -20 (MOCK TEST PAPER) (UNSOLVED)

    FULL MARKS|Exercise BIO-ZOOLOGY (PART-IV)|4 Videos

Similar Questions

Explore conceptually related problems

The number of Barr bodies follows _______.

FSH and LH are the hormones released by both female and male. a. Which organs produce these hormones? b. Mention the effects of these hormones in male and female.

Suppose that 5 males out of 100 and 25 females out of l000 are colour blind. A colour blind person is chosen at random. What is the probability that a male is chosen (assume that the number of males and females are equal)?

Suppose that 5% of men and 0.25% of women have grey hair. A grey haired person is selected at random. What is the probability of this person being male? Assume that there are equal number of males and females.

Suppose that 5% of men and 0.25% of women have grey hair. A grey haired person is selected at random. What is the probability of this person being male? Assume that there are equal number of males and females.

In humans, what is the ratio of number of gametes produce from are male primary sex cell to the number of gametes produced from one female primary sex cell?

Male and female have equal number of autosomes.

XO type of sex determination and XY type of sex determination are the examples of: a. male heterogamety b. female heterogamety c. male homogamety d. both (b) and (c)

Chromosome sets of four individuals are given below 44A + XXY, 44A + XO, 45A + XX, 45A + XY. a. How many body chromosomes and sex chromosomes are present in normal male and females? b. Identify and write the names of chromosomal abnormalities in the above listed chromosome sets. c. Down's syndrome is seen in both sexes. Comment.