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प्रश्न
The female gamete/egg cell of a human cell will have ______.
विकल्प
44 +XX chromosomes
44 + XY chromosomes
22 + X chromosomes
22 + Y chromosomes
उत्तर
The female gamete/egg cell of a human cell will have 22 + X chromosomes.
Explanation:
The number of chromosomes in gametes (sex cells) is halved, therefore, a female gamete/egg cell of a human cell has 22 + X chromosomes.
संबंधित प्रश्न
Given below is a schematic diagram of a portion of DNA.
- How many strands are shown in the diagram?
- How many nucleotides have been shown in each strand?
- Name the parts numbered 1, 2, 3, 4 and 5 respectively.
- Name the DNA unit constituted by the parts 1, 2, 3 collectively.
Choose the correct answer:
Chromosome is most coiled at (in mitosis) ________________
Write a sentence of the following:
Telomere
Synthesis phase in the cell cycle is called so for the synthesis of more of
Enumerate the various changes that occur in the nucleus of the cell during prophase.
Differentiate between
Chromatin and Chromosome.
Differentiate between
Gametic meiosis and Zygotic meiosis.
Identify the stages of meiosven below and label them.
Complete the following sentence with appropriate word :
The pairing of homologous chromosomes is called _______.
Write the functional activity of the following structure:
Chromosome
Name the following:
A specific part of a chromosome that determine hereditary characteristics.
Write the functional activity of the following structure:
Chromosomes
Define euploidy.
Match the following.
| 1. Autosomes | - | Trisomy 21 |
| 2. Diploid condition | - | 9 : 3 : 3 : 1 |
| 3. Allosome | - | 22 pair of chromosome |
| 4. Down’s syndrome | - | 2n |
| 5. Dihybrid ratio | - | 23rd pair of chromosome |
The sex of the newborn child is a matter of chance and neither of the parents may be considered responsible for it. What would be the possible fusion of gametes to determine the sex of the child?
A male gorilla has 48 chromosomes in each of its body cells. How many chromosomes will each of the sperms have?
Define the following term:
Chromosome
In the human male, a sperm contains autosomes and ______.
