Q: Name the process of development of egg into young one without fertilization?
A: The above-mentioned definition is true for parthenogenesis. It is a type of asexual reproduction…
Q: Are all of the cell nuclei in the embryo sac haploid or is just the egg haploid?
A: The group of organisms with eukaryotic cells having cell walls and autotrophic nutrition are called…
Q: How many chromosomes are found in a single cell during Metaphase II of Meiosis II
A: Meiosis is a type of cell division in which the parent cell divides twice into four daughter cells…
Q: How many days does it normally take from the fertilisation of the egg up to birth of the baby?
A: The normal human gestation period is from thirty-seven weeks to forty-two weeks or 259 days to 293…
Q: What is an ovule?
A: The group of autotrophic organisms that have eukaryotic cells composing of cell walls is known as…
Q: What is the unit of transmission during Meiosis? A. chromosomes B. chromatids C. genes D.…
A: Cell division can occur in two ways: mitosis and meiosis. In mitotic cell division, the chromosome…
Q: What are embryophtes?
A: Plants are mainly multicellular organisms, predominantly photosynthetic eukaryotes of the kingdom…
Q: What are the stages of egg cell development in humans?
A: Oogenesis is the growth process of a primary egg cell into a mature ovum in the human female. There…
Q: What is the main reason for meiosis in animals? What is the main reason for mitosis in animals?
A: The process that allows a cell to divide into two or more daughter cells is called cell division. It…
Q: Is this a fertilized sea urchin? why?
A: A sea urchin egg to be fertilized means that it should contain a zygote. Zygote is a diploid…
Q: Why does only one sperm fertilize the egg, and why is this important?
A: Fertilization is the process in which gametes (an egg and sperm) fuse to form a zygote. The egg and…
Q: what are Acrocentric Chromosomes?
A: Chromosomes are rod-shaped condensed chromatin fibers that act as hereditary vehicles as they store…
Q: What fertilized egg; enters 2 week period of rapid cell division?
A: Male and female gametes are called sperm and egg cells, respectively. For reproduction to occur, a…
Q: An Ascus Contains which Products of a Single Meiosis?
A: An Ascus is a fungal spore which helps in reproduction process. The spore helps in surviving in the…
Q: What would be the number of chromosome in the spermatids?
A: The thread-like structures present in the nucleus of almost all living cells are termed as…
Q: What is developmental mechanism?
A: In biology, a mechanism is a system of causally interrelated elements and processes that result in…
Q: In During anaphase I of meiosis I:
A: Cell division is the process by which a cell divides to form new, daughter cells. Before a cell can…
Q: What are the cells surrounding the oocyte? Are they germ-line or somatic in origin?
A: Gametogenesis is the process of production of gametes (sperm and eggs) via meiosis which is a type…
Q: Are gametes (egg and sperm) in plant cells produced by mitosis or meiosis?
A: In angiospermic plants the male gamete is pollen grain and the female gamete is egg. They both are…
Q: What cells are the produced by meiosis II?
A: Cell division is the biological process that results in the production of two or more cells from a…
Q: If two sperm cells were able to fertilize the same oocyte, how many chromosomes would the zygote…
A: Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. It is widely known that…
Q: What triggers activation of the egg?
A: The sperm of several species are attracted to the eggs of their own species by the process of…
Q: How many chromosomesdoes a human normal haploidcell have? How many chromosomes does a human normal…
A: The chromosomes are a thread-like structure that consists of tightly packed DNA and proteins. The…
Q: How many chromosomes will be there in the zygote?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: Which layer is responsible for encasing the growing embryo?
A: An embryo is an early stage of development that is present in a multicellular organism. Embryonic…
Q: Explain how is the age of the embryo and it's delivery date determined?
A: An embryo is the early stage of development of a multicellular living being. In common, in life…
Q: What are the stages of meiosis and what major events take place in each stage?
A: Cell cycle: - it is a series of changes occur in a newly divided cell through which it duplicates…
Q: what is the process which involves in the self-destruction of cells in the developing embryo as…
A: Ans: The process which involves the self destruction of cells in the developing embryo is very…
Q: Describe the events of meiosis I and meiosis II. How arethe cells produced by meiosis I different…
A: Meiosis: It is a process in which a single cell divides itself twice to form four cells. These cells…
Q: Where is the specific location in an animal where cells are undergoing Meiosis?
A: Meiosis is process of cell division. During meiosis process cell divides into four daughter cells…
Q: Why is it necessary for the egg to have changes leading to polyspermy block during fertilization?
A: Polyspermy is a lethal condition in which one egg is feritilized by more than one sperm
Q: What happens to the second sperm nucleus, the one that does not fertilize the egg cell? What is the…
A: Sexual reproduction is a fusion of male and female gametes to produce offspring from the zygote.…
Q: What is the ploidy in parent cells in mitosis and meiosis? What is the ploidy of daughter cells in…
A: Ploidy means the number of chromosomes sets in the cell. Eukaryotes have a single set i.e. haploid…
Q: What is a fertilized egg called?
A: Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete…
Q: What is fertilized egg known as?
A: Fertilization When male gamete fuses with female gamete, this process is known as fertilization.
Q: An elephant sperm cell contains 28 chromosomes. How many chromosomes would be in an elephant: liver…
A: Sperm Sperm is the motile gamete produced by male animals. If fertilize the egg to produce zygote.
Q: How do the four cells at the end of meiosis differ from the original mother cell?
A: Meiosis is a process in which four cells containing half the original amount of genetic material are…
Q: What is the chromosome number of eggs?
A: Chromosome number of eggs is half of the number of chromosomes in the somatic cell. It is by the…
Q: How many homologous pairs of chromosomes would be in the zygote if it were a male organism? Explain.
A: Introduction :- A zygote is a eukaryotic cell created when two gametes fertilise each other. The…
Q: What are the number of chromosomes in fly?
A: A bundle of tightly coiled DNA (Deoxyribonucleic acid) present inside the nucleus is a chromosome.…
Q: In which organism Flagellated male gametes found?
A: Gametes are an organism's reproductive cells. They are also referred to as sex cells. Gametes are…
Q: What would happen to your skin cells if they were produced by meiosis?
A: Growth and reproduction are the two important characteristics of all living forms. Life of all…
Q: What is the number of chromosomes in the following cells? Primary oocyte,secondary oocyte, ootid and…
A: Oogenesis actually begins long before birth when there is an oogonium which has diploid number of…
Q: After the eighth week of development an embryos is referred to as what?
A: After the 8th week of development, the embryo is referred to as "fetus"
Q: In which phases in meiosis is variation of genetic makeup accomplished? a. Prophase I, Anaphase I…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: why is polyspermy lethal in an egg cell?
A: Polyspermy is defined as the introduction of two or more sperm cells into the cytoplasm of an egg.
What is chromosome number of egg?
Haploid describes a cell containing a single set of chromosomes present in the cell. The term haploid refers to the chromosome in the sperm cell or egg (gametes).
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