Why an elephant always gives birth only to a baby elephent and not same other elephant?

Q: A black mouse mate with brown mouse and all the offspring are black .why are no brown offspring…

A: In a heterozygote, Mendel's law of dominance notes that one trait will hide the presence of another…

Q: Normally after how many days an ovary release an egg.

A: Every 28 days, an ovary release one mature egg that lives for 12 to 24 hours.

Q: D А- -E B- C- OALL

A: Structural changes occurs in different stages of chick embryo.The 72 hour chick embryo shows the…

Q: The blood fluke is the only fluke in which the sexes are separated

A: Schistosoma is a trematode genus that includes blood flukes. They are parasitic flatworms that cause…

Q: horned bull is mated to a hornless cow that is heterozygous for the condition. What kind of…

A: Even when heterozygous with a recessive allele, a dominant allele expresses its phenotypic effect.…

Q: To determine: The probability of a child being affected in IV generation if the male parent of…

A: A mutation is a defined in the way that it is stated to be the change in the sequence of DNA or RNA.…

Q: 18. 19. 20. 21.

A: The Plant Kingdom is a diverse group, including organisms ranging from simple aquatic algae to…

Q: Why do you think theheterozygote offspring of two Manx catssurvives with developmental…

A: The Manx cat is a domestic breed of cat, which originated from the Isle of Man. The most…

Q: who discovered crossing over in fruit fly

A: Thomas Hunt Morga discovered crossing over in fruitfly. When Thomas Hunt Morgan looked at a male…

Q: What do you think would happen if multiple sperm fused with one egg?

A: A pregnancy begins with preparation when a lady's egg gets together with a man's sperm. Preparation…

Q: why it is difficult to determine the sex of a newly hatched canary than a newborn puppy.

A: Reproduction is the process by which parents create new people or offspring. This procedure assures…

Q: Which child is female 3 most likely an aunt of? O 1 O 2 3 4

A: DNA fingerprinting is a technology used to determine paternity, genetic relationships, and to solve…

Q: What would happen if two sperm fertilized the same egg cell? If twosperm fertilized two egg cells?

A: Step 1 Fertilization and implantation is the process of fusion of two types of gametes (spermatozoa…

Q: Name specific structure "A" placenta Name specific structure "B" pedicel В A

A: The above picture shows an image of tomato which belong to angiosperm. It reproduces by sexual…

Q: Which of the following is inheritable?a) An altered gene in spermb) An altered gene in testesc) An…

A: Genetic inheritance is a scientific phenomenon that describes how the characteristics of the parents…

Q: Which structure helps to expel the baby during labor? a. myometrium b. cervix c. endometrium d.…

A: In human females, the gestation period is about 9 months and the baby is delivered after this period…

Q: Where does fertilization take place in human body.

A: Humans are the multicellular complex organism and reproduce by sexual mode. This mode of…

Q: Why is a baby elephant considered an expensive offspring?

A: A survivorship curve is the graphical representation of the number of individual of particular…

Q: In what way fertilization different between plants and animals?

A: Introduction  All plants and creatures across the world replicate some or another way, as an…

Q: How does the placenta work? blood to mother low in O,/nutrients, high in CO,waste umbilical cord…

A: In placental mammals, the fertilized zygote develops into a young one within the uterus (womb) in…

Q: In this picture which letter represents the chorion? Embryo D Mother's blood vessels G OE O o o

A: The chorion is the outer membrane surrounding the developing embryo in amniotes. It originates from…

Q: Tarzan and Jane both have a widow’s peak. Is it possible for them to have a child without one?…

A: Introduction :- A widow's peak is a characteristic, V-shaped hairline that is passed down down the…

Q: Newborns are at much higher risk for dehydration thanadults. Why?

A: A baby which is 2 months old from his or her birth is considered newborns.

Q: Occasionally, two primitive streaks form in one embryonic disk. Predictthe result. What happens if…

A: Primitive streak : A primitive streak is defined as a transient structure that forms during the 15…

Q: How many eggs are released by a human ovary in a month? How manyeggs do you think would have been…

A: The ovary is an organ present in the female reproductive system that produces an ovum (egg cell).…

Q: t causes an egg to grow in the ovary.

A: Answer: Luteinizing hormone (LH), the other reproductive pituitary hormone, aids in egg maturation…

Q: -2 -3 4.

A: Tadpoles are the larvae of the frogs. They are very similar to the fish . There are three main…

Q: Which of these produces blood cells and germ cells at the early stages of fetal development? O…

A: The yolk sac is responsible for producing blood cells and germ cells during the early stages of…

Q: how do we find out who the father of the cub is by looking at the cubs chromesomes

A: A chromosome is a long DNA molecule with part or all of the genetic material of an organism

Q: During the evolution of animals , bilateral summetry accompanied cephalization . suggest a reason…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: The ability to roll the tongue to form a “tube” results from a dominantgene. Suppose that a woman…

A: Dominant allele is a particular variant of a trait which for some reason express itself strongly all…

Q: A newborn's first breath must be particularly forceful since the moist membranes of the lungs are…

A: From birth to 1 month period babies called as a newborn babies.  These type of babies need a special…

Q: Which horse is MOST likely the sire of the filly? О А. 1

A: DNA fingerprinting is a technique which is used to determine paternity and is also used in forensic…

Q: This is the outermost layer that protects from water loss but allows for gas exchange: amnion…

A: An embryo is present at an early stage of the development of a multicellular organism. The formation…

Q: If the egg is not fertilized, the disintegrates causing

A: The merger of haploid gametes, egg and sperm, to form the diploid zygote is known as fertilization.…

Q: likely to happen if there are any errors during thae gastrulation stage

A: Embryo development The embryo develops in 4 major stages which are, fertilisation cleavage…

Q: These structures (missing in human females) is present in female pigs because pigs give birth to…

A: Anatomy can be defined as a branch of biology that is associated with the study of the organism’s…

Q: The grandfather has hairy-eared son. His son married a girl who gave birth to a boy. What are the…

A: Introduction: The pedigree refers t the family tree, which is drawn with genetic standard symbols.…

Q: What is the length between the placenta edge and the internal os in low-lying placenta

A: When the placental edge lies too close to the internal os of the cervix extending to the lower…

Q: between fish and frog gametes

A: Gametes are the haploid reproductive cells which fuse with each other to form a zygote. Gametes are…

Q: Name the non identical twins produced by the fertilization of two eggs.

A: Fertilization is a process in which the female gamete is fused with the male gamete. Gamete: they…

Q: What are the four initialstages of the embryonicdevelopment?

A: Answer: Introduction: Embryonic development is also known as embryogenesis, is the growth of an…

Q: Why scientist are not allowed to culture headless baby. What makes it immoral?

A: Culturing microorganisms is generally done with the help of a parent strain and a rich media that…

Q: Find the odd one with respect to ploidy level (1) Sperm (2) Egg (3) Anthrozoiduto Y Zygote

A: The presence of the number of complete sets of chromosomes in each cell differs and is known as the…

Q: Occasionally, two-headed animals such as this turtle are born.Thinking about the occurrence of…

A: Introduction In the rare scenario more than one child can be born to a human female in a single…

Q: hat happens when the egg is not fertilized

A: Answer: FERTILIZATION : It is the process of fertilize the egg cell of female with sperm cell of…

Q: The gamete that contains the genes contributed by the father is the spem :allele : egg # zygote

A: BASIC INFORMATION  GAMETOGENESIS  It is the process of formation of gametes. The diploid…