List two advantages of sexual reproduction over asexual reproduction.
1 Answers
Write two points of difference between asexual and sexual types of reproduction.
Asexual reproduction Sexual reproduction (a) Involves only one parent (b) Gametes are not produced (c) No fertilization and zygote formation (d) Meiosis does not occur at any time during reproduction (i) Often involves two parents (ii) Gametes...
1 Answers 1 views
Explain how sexual reproduction gives rise to more viable variations than asexual reproduction.
In sexual reproduction, two individuals having different variations combine their DNA to give rise to a new individual. Therefore, sexual reproduction allows more variations, whereas in asexual reproduction, chance variations...
1 Answers 1 views
Define asexual reproduction. Describe two methods of asexual reproduction in animals.
Asexual reproduction is that type of reproduction in which only single parent is involved. Asexual reproduction takes place by different methods like Budding, Binary fission etc. → Budding: This type of...
1 Answers 1 views
Write notes on - (a) Adam's apple: (b) Secondary sexual characters: Secondary sexual character in girls:
Answer: (ii) proper diet is needed for the rapid growth taking place in their body. Answer: (i) menstruation starts. Answer: (ii) chapatti, dal, vegetables. Appearance of moustache and beard. Appearance of chest...
1 Answers 1 views
Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction,
a. Sexual reproduction brings about variation in the offspring. b. Since gamete formation is preceded by meiosis, genetic recombination occurring during crossing over (meiosis-I), leads to a great deal of variation...
1 Answers 1 views
Although sexual reproduction is a long drawn, energy-intensive complex form of reproduction
a. Sexual reproduction brings about variation in the offspring. b. Since gamete formation is preceded by meiosis, genetic recombination occurring during crossing over (meiosis-I), leads to a great deal of variation...
1 Answers 1 views
Write one main difference between asexual and sexual mode of reproduction.
Asexual reproduction does not involve genetic fusion while sexual reproduction involves fusion of male and female gametes to form a zygote. Species reproducing sexually have better chances of survival. This is...
1 Answers 1 views
Write two points of difference between asexual and sexual types of reproduction
Asexual Reproduction Sexual Reproduction 1. Involves only one parent 2. Gametes are not produced. 3. No fertilisation and zygote formation. 4. Meiosis does not occur at anytime during reproduction. 1. often involves two parents. 2. Gametes are...
1 Answers 1 views
A few statements with regard to sexual reproduction are given below: i. Sexual reproduction does not always require two individuals
(b) i and ii is correct.
1 Answers 1 views
Offspring formed by sexual reproduction exhibit more variation than those formed by Asexual reproduction because:
b. Gametes of parents have qualitatively different genetic composition
1 Answers 1 views