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प्रश्न
Which of the following is incorrect regarding ZW-ZZ type of sex determination?
पर्याय
It occurs in birds and some reptiles
Females are homogametic and males are heterogametic
Male produce two types of gametes
It occurs in gypsy moth
उत्तर
Females are homogametic and males are heterogametic
संबंधित प्रश्न
In a human, how many chromosmes are present in a sperm in the testes?
In a human, how many chromosmes are present in an egg which has just been produced by the ovary?
Which combination of genes in the zygote will produce children with brown eyes?
Name two animals which have nineteen pairs of chromosomes.
Choose the correct answer:
Males have more chances of suffering from sex-linked disease because of ___________
Choose the correct answer:
A man can transfer his sex-linked gene to his ______________
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
In which livings, female decides the sex? Give two examples.
What is parthenogenesis?
What is male heterogamety?
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
There are five daughters and no son in a family. It is because
Which of the following organisms has haploid number of chromosomes?
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
Which of the following decides the sex of the child?
Which of the following is an example of genetic variation?
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
What is sex determination? Explain the mechanism of sex determination in the case of birds.
