1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Biology
Pre-Fertilization Events
Write the plo...
Question
Write the ploidy and number of chromosomes in human (a) meiocytes, and (b) gametes. [2 marks]
Open in App
Solution
(a) The ploidy and number of chromosomes in human meiocytes are 2n and 46 respectively. [0.5 + 0.5 = 1 mark]
(b) The ploidy and number of chromosomes in human gametes are n and 23 respectively. [0.5 + 0.5 = 1 mark]
Suggest Corrections
2
Similar questions
Q.
Is there any relationship in the number of chromosomes of meiocytes and gametes?
Q.
In a butterfly has chromosomes number
360
in its meiocyte
(
2
n
)
. What will be the chromosome number in its gametes?
Q.
What would be the number of chromosomes in the meiocyte and gamete of onion respectively?
Q.
What is the number of chromosomes in somatic cells and gametes in humans?
Q.
In a homozygous plant, round seeds (R) are dominant over wrinkled seeds (r): [5 MARKS]
(a) Draw a Punnett square to show the gametes and offspring when both the plants have heterozygous round seeds (Rr).
(b) Mention the Phenotype and Genotype ratios of the offsprings in F2 generation.
(c) Name the sex chromosomes in human males and females.
(d) Briefly explain the term 'Mutation'.
(e) What is the number of chromosomes in the gametes of human beings?
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Events in Sexual Reproduction
BIOLOGY
Watch in App
Explore more
Pre-Fertilization Events
Standard XII Biology
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app