Description : In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology
Last Answer : The number of chromosome in the female gamete would be same as that in the male gamete, i.e., it will have 24 chromosomes. The number of chromosome in the zygote would be double the number present in the gamete and hence, it would be 48.
Description : Which one of the following conditions correctly describes the manner of determining the sex? (a) Homozygous sex chromosomes (ZZ) determine female sex in birds. (b) XO type of sex chromosomes ... s syndrome, determines female sex. (d) Homozygous sex chromosomes (XX) produce male in Drosophila.
Last Answer : (b) XO type of sex chromosomes determine male sex in grasshopper.
Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.
Last Answer : (a) has 45 chromosomes with XO
Description : Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.
Last Answer : (c) two homologous chromosomes
Description : How did male and female evolve from an asexual organism?
Last Answer : It is not clear that they did. The two forms of reproduction could have developed separately.
Description : A 67-year-old male presents with an intraabdominal abscess secondary to perforated sigmoid diverticulitis. The following statement(s) is/are true concerning his intraabdominal abscess. a. Culture will ... gram-negative enteric bacilli d. The most common anaerobic islet will be a Bacteroides species
Last Answer : Answer: b, c, d Typically an intraabdominal infection results in perforation of a hollow viscus and the ensuing contamination of a normally sterile peritoneal cavity. The normal ... Bacteroides species (especially B. fragilis, Clostridium), and anaerobic cocci are most consistently isolated
Description : If an egg cell contains 50 chromosomes how many chromosomes are in sperm cell from the same species?
Last Answer : 50
Description : If an egg cell contains 50 chromosomes how many are speed cell from the same species?
Last Answer : What is the answer ?
Description : A somatic cell that has just completed the S phase of its cell cycle, as compared to gamete of the same species, has (a) twice the number of chromosomes and four times the amount of DNA (b) ... of chromosomes and twice the amount of DNA (d) same number of chromosomes but twice the amount of DNA
Last Answer : (a) twice the number of chromosomes and four times the amount of DNA
Description : Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.
Last Answer : (d) can reproduce freely with each other and form seeds
Description : If a diploid cell has 50 chromosomes how many chromosomes does the haploid cell of that organism have?
Last Answer : 25
Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component
Last Answer : C.80S ribosomes are distributed in cytoplasm
Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component
Last Answer : 80S ribosomes are distributed in cytoplasm
Description : In nature, is the male of the species far more expendable than the female?
Last Answer : in most cases yes, take one small example the male spider being eaten after mating even the praying mantis will do this
Description : You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces ... how to use conditional probability to make sure you lick the right frog and get out alive. -Riddles
Last Answer : If you chose to go to the clearing, you're right, but the hard part is correctly calculating your odds. There are two common incorrect ways of solving this problem. Wrong answer number one: ... best options so that maybe next time, we can avoid eating that poisonous mushroom in the first place.
Description : Suppose individuals of a species of lizard on an island can be brown, tan, or green. Suppose a volcanic eruption on the island kills all but one male and one female lizard. Both are brown, and all later generations are brown. What is this an example of?
Last Answer : A Genetic Bottleneck
Description : An interesting modification of flower shape for insect pollination occurs in some orchids in which a male insect mistakes the pattern on the orchid flower for the female species and tries ... phenomenon is called (a) pseudopollination (b) pseudoparthenocarpy (c) mimicry (d) pseudocopulation.
Last Answer : (d) pseudocopulation.
Description : Which of the following statements accurately describes a risk factor for depression? a) History of physical or sexual abuse History of physical or sexual abuse and current substance abuse are risk ... years. d) Negative family history of depression Family history of depression is a risk factor.
Last Answer : a) History of physical or sexual abuse History of physical or sexual abuse and current substance abuse are risk factors for depression.
Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome
Last Answer : (a) Two X chromosomes
Description : Five male teenagers and five female teens each step into ten separate circles. The males make disparaging remarks to the females while pointing their thumbs downward, and the female teens respond to ... loudly, until only one person is left who is legally performing the maneuver within t -Riddles
Last Answer : The two five-member teams are competing in a hula-hoop endurance contest. The theme song played during the competition is one of The Chipmunks greatest hits called: The Chipmunk’s Hula-Hoop Christmas Song.
Description : True statements about chromosome include: a. 23 chromosomes are found in germinal cells b. in female only one chromosome is activated c. the Barr body is due to inactivated X chromosome e. all above
Last Answer : all above
Description : In a species of corn the diploid number of chromosomes is 20. what would be the number of chromosomes found in each of the normal egg cells produced by this species?
Last Answer : Need answer
Description : What Chromosomes are best known as units of an organism and?
Description : What is A situation in which genes are attached to an organisms sex chromosomes the sex of an organism influences the expression of a gene?
Last Answer : s.e.x linked
Description : If the diploid number chromosomes for an organism is twenty six what is the haploid number?
Last Answer : Thirteen (A+)
Description : The organism carrying highest number of chromosomes is a pteridophyte. It is known
Last Answer : Ophioglossum regalis (1262)
Description : How have species evolved from a single cell organism?
Last Answer : Time. Around 3.8 billion years.
Description : Which one of the following is most appropriately defined? (a) Host is an organism which provides food to another organism. (b) Amensalism is a relationship in which one species is benefitted ... Parasite is an organism which always lives inside the body of other organism and may kill it.
Last Answer : (c) Predator is an organism that catches and kills other organism for food.
Description : How many chromosomes are there in each cell of human body ?
Last Answer : Each cell of the human body has 23 pairs or 46 chromosomes.
Description : How many pairs of chromosomes are there in each body cell in a lily?
Description : The fact that DNA bears the genetic information of an organism implies that (A) Base composition should be identical from species to species (B) DNA base composition should charge with age (C) ... the same base composition (D) DNA base composition is altered with nutritional state of an organism
Last Answer : Answer : C
Description : Study dealing with the interactions of same species of living organism with their non-living environment?
Last Answer : Autecology
Description : If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultan eousely, what will be the ratio of ova and sperms p
Last Answer : If a germ cell in a female gonad and a germ cell in a male gonad begin undergoing meiosis simultan eousely, what will be ... `1:2` C. `1:4` D. `2:1`
Description : The male Japanese beetle breaks down female pheromones. What structure inside the cell of the male beetle breaks down the pheromone?
Last Answer : Lysosomes (Apex)
Description : Read the following five statements (A - E) and answer as asked next to them. (A) In Equisetum, the female gametophyte is retained on the parent sporophyte. (B) In Ginkgo, male gametophyte is not independent. (C ... . How many of the above statements are correct? (a) Two (b) Three (c) Four (d) One
Last Answer : (d) One
Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell
Last Answer : b) sperm cell
Description : Eight persons P, Q, R, S, W, X, Y and Z in which 4 females are facing towards and 4 males facing away from the center. Males and females are seated alternately. I. X is male, W position is 3rd to the right of X and ... R & Y are neighbors. Who is the only female in between X & R? a) Z b) P c) Y d) Q
Last Answer : Ans: option (c)
Description : 'Barr body' is found in - (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
Last Answer : (3) Female somatic cells Explanation: A Barr body is the inactive X chromosome in a female somatic cell in those species in which sex is determined by the presence of the Y or W chromosome rather ... typical human female has only one Barr body per somatic cell, while a typical human male has none.
Description : The infectious stage of Plasmodium that enters the human body is (a) Trophozoites (b) Sporozoites (c) Female gametocytes (d) Male gametocytes
Last Answer : b) Sporozoites
Description : Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas ... D and E (b) B, C and E (c) A, C and D (d) B, C and D
Last Answer : (a) A, D and E
Description : ‘Barr body’ is found in (1) Sperm (2) Sertoli cells (3) Female somatic cells (4) Male somatic cells
Last Answer : Female somatic cells
Description : What would the effects (implications?) be if every male and every female in the world looked exactly the same?
Last Answer : answer:I would think that humans would have evolved a much more acute sense of smell. and that it would probably be considered quite normal to sniff each other when we met. I would also expect that tattoo parlors would do great business.
Description : Can you put female betta and male betta in the same bowl
Last Answer : Need Answer
Description : Is the male and female rectum located in the same place?
Description : Both of my African geese appear to be the same size. I know one of them is laying eggs. Now one of them has a thicker neck than the other.Could having a thicker neck be a way of telling difference between sexes I thought I had a male and female,don't know?
Last Answer : The difference between mature male and female African Geese You can tell mostly by the sound of their honk. The gander (male) has a high hollow (long double syllable) honk, resembling a tug boat. The ... has a larger knob above his bill. The goose has a lower abdomen that nearly drags the ground.
Description : When male and female flowers occur on the same plant
Last Answer : Ans. Monocius
Description : Monoecious plants have male and female sexes/flowers on a. Same plant b. Different plants c. Both of these d. None of these
Last Answer : Same plant
Description : In 2003, if the number of female qualified candidates was 70, what was the respective ratio of number of female qualified candidates and number of male qualified candidates same year? A. 5:9 B. 7:11 C. 10:11 D. 10:13 E. 5:7
Last Answer : E. 5:7
Description : 8 male can finish a work in 6 days.12 female can complete the same work in 9 days. 6 male and 4 female started working and after 4 days 3 more female joined them. How many days will they now take to complete the remaining work? a) 76/41 days b) 25/62days c) 3/31days d) 4/77days
Last Answer : A 1 male's 1 day work = 1/48 1 female's 1 day work = 1/108 Work done in 4 days = 4 (6/48 +4/108) =4(1/8+1/27) =1/2+4/27 =(27+8)/54 =35/54 Remaining work = (1 - 35/54) = 19/ ... (27+14)/216 =41/216 Now 41/216 work is done by them in 1 day Therefore time taken = 216/41 * 19/54 = 76/41 days
Description : 4 male and 6 female do a piece of work in 20 days while 6 male and 4 female can do the same work in16 days. In how many days can 4 male and 2 female do the work? a) 3 62/142 b) 2 18/124 c) 4 81/165 d) 1 67/133
Last Answer : D Let 1 male's 1 day's work = x 1 female's 1 day's work = y Then 4x + 6y = 1/20 ---------->A 80x + 120y = 1 -----------1 6x + 4y = 1/16 ----------B 96x + 64y = ... (1/400) =132/200+1/200 = 133/200 So 4 male and 2 female together can finish the work in 200/133 = 1 67 /133 days