In a species with a 2n=16 karyotype, how many chromosomes would be present in the nucleus of the functional megaspore?
8
16
32
4
Related Questions
Which of the following processes contributes to the generation of new genetic combinations and variations in offspring?
Asexual reproduction
Vegetative propagation
Mitosis
Sexual reproduction
Monocarpic Plant
Flowers twice in every year
Bears only one type of flower
Flowers once in every year
Dies after flowering once in its life cycle
In humans, the male gamete is called the:
Egg
Zygote
Sperm
Embryo
The process of parthenogenesis involves the development of an organism from an unfertilized egg. Which statement is TRUE regarding the genetic makeup of an organism produced through parthenogenesis?
It is genetically identical to the mother, except for any mutations that may have occurred.
It inherits half its chromosomes from the mother and half from the father.
It is genetically distinct from both the mother and the father.
It inherits all its chromosomes from the father.
Large number of offspring produced in the case of
Fertilization that occur in external medium
Fertilization that occur in internal medium
Either (a) or (b)
Both (a) and (b)
Pollination is
Transfer of gametes on stigma
Transfer of male gametes on stigma
Transfer of female gametes on stigma
Fusion of male and female gametes
Which of these is NOT a characteristic of sexual reproduction?
Involves gametes
Leads to variation
Genetically identical offspring
Involves fertilization
In which of the following pair of animals does estrous cycle takes place?
Cow, Rat
Human, Rat
Gorilla, Tiger
Monkey, Gorilla
The condition in which male and female parts present on the different plant, is called
Monoecy
Dioecy
Hermaphroditism
Dichogamy
In a hypothetical plant species, the endosperm is diploid and the embryo is triploid. Which of the following most accurately describes the process leading to this unusual ploidy?
Diploid megaspore mother cell undergoes mitosis to form the embryo sac, and a diploid male gamete fuses with a haploid central cell.
Haploid megaspore mother cell undergoes meiosis to form the embryo sac, and a diploid male gamete fuses with a diploid central cell.
Triploid megaspore mother cell undergoes mitosis to form the embryo sac, and a haploid male gamete fuses with a diploid central cell.
Diploid megaspore mother cell undergoes meiosis to form the embryo sac, and two haploid male gametes fuse with a haploid central cell.
