What are gametes and zygote?
The sex cells or reproductive cells, which fuse together to reproduce a new organism, are called gametes.
When two gametes fuse, a zygote is formed.
A zygote is a fertilized egg cell which forms by the union of a female gamete (egg, or ovum) with a male gamete (sperm). "[Extra information for reference only]"
Fertilization is the process in which the nuclei of the egg and sperm unite together in the fallopian tube to form a single-celled zygote. "[Extra information for reference only]"
Related Articles
- The correct sequence of reproductive stages occurring in flowering plants is:(a) gametes, zygote, embryo, seed (b) zygote, gametes, embryo, gametes(c) seed, embryo, zygote, gametes (d) gametes, embryo, zygote, seed
- What are gametes?
- DIRECTIONS: Read the passage(s) given below and answer the questions that follow. Passage- The cell which results after fusion of gametes is called a zygote. The fusion of male and female gametes (to form a zygote) is called fertilization. The zygote develops into an embryo. The cell which results after fusion of male gametes and female gametes is called(a) zygote(b) fertilization(c) embryo(d) none of these
- (a) What are gametes?(b) In which sort of reproduction are gametes involved?(c) What is formed when two gametes fuse?(d) What is this act of fusion called?
- What are the organs in humans which produce the gametes?
- In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote?
- (a) What would be the ratio of chromosome number between an egg and its zygote?(b) Distinguish between a gamete and a zygote.
- In tobacco plant, the male gametes have 24 chromosomes.(i) What is the number of chromosomes in the female gamete? (ii) What is the number of chromosomes in the zygote?
- Describe female and male gametes in flower.
- Name the male and female gametes in animals.
- Which type of reproduction:(a) involves gametes?(b) does not involve gametes?
- The person A has only B chromosomes in all its gametes. On the other hand, another person C has chromosome D in half of gametes and chromosome E in the other half of gametes. When chromosomes B and D combine during fertilisation, a female zygote results. On the other hand, combination of B and E chromosomes produces a male zygote.(a) What are chromosomes (i) B (ii) D, and (iii) E? (b) Out of B, D and E, which two chromosomes are of the same type? (c) Which chromosome is smaller in size? (d) What is the general name of chromosomes such as B and E? (e) Out of the two persons A and C, which one is (i) male, and (ii) female?
- Explain why, a human zygote is more likely to grow into an adult than frog zygote.
- Which of the following statements is/are false?a. The male gamete is larger, with a nucleus and more cytoplasm than the female gamete. b. The fusion of the two gametes is called fertilization. c. The product of fusion of the two gametes is called the zygote.(a) Only a(b) Only a and b(c) Only b(d) Only b and c(e) Only c
- The two glands A and B which occur in pairs, are present in the endocrine system of humans. The pair of glands A is found only in females whereas the pair of glands B occurs only in males. The glands A make and secrete two hormones C and D whereas glands B make and secrete only one hormone E. In addition to hormones, glands A makes gametes F whereas glands B making gametes G.(a) What are glands A?(b) What are hormones C and D?(c) What are glands B? Name the hormone E.(d) What are gametes (i) F, and (ii) G?(e) Which event in the life of males and females is associated with the secretion of hormones C, D and E?
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