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प्रश्न
Brief about female heterogamety.
उत्तर
Female heterogamety (ZO females) refers to the condition, where female produces two types of egg cells. Some with Z chromosome and some without Z chromosome.
संबंधित प्रश्न
Fill in the following blank with suitable word :
The...............chromosomes for a ............are XX whereas that for a ..............are XY.
In a human, how many chromosmes are present in a skin cell?
Does the sex of the child depend on the father or it is just a matter of chance? Discuss.
Choose the correct answer:
A single recessive trait, able to express must be on _________
Drone of the honeybees shows haploid number of chromosomes. Illustrate.
Complete the following sentence with appropriate word:
______are the alternative forms of a gene producing different effects.
What is haplodiploidy?
Explain the mode of sex determination in honeybees.
From the following which option correctly represents the normal genetic constitution of a ovum?
There are five daughters and no son in a family. It is because
Match the items of Column I with Column II:
| Column I | Column II | ||
| i. | XX-XO method of Sex Determination | a. | Turner syndrome |
| ii. | XX-XY method of Sex Determination | b. | Female heterog ametic |
| iii. | karyotype-45 | c. | Grasshopper |
| iv. | ZW-ZZ method of Sex Determination | d. | Female homogametic |
ZZ / ZW type of sex determination is seen in ______.
Which of the following combination of chromosome numbers represents the correct sex determination pattern in honey bees?
Which of the following decides the sex of the child?
A trait in an organism is influenced by
A woman has only daughters. Analyse the situation genetically and provide a suitable explanation.
Sex in honey bee is determined by ______.
