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what is the difference between acquired and inherited traits ?
Why evolution should not be equated with "progress" ?
Genotypic ratio of dihybrid cross?
the extent of deviation of a ray of light on passing through a glass prism depends on its colour.
How do Mendel's experiments show that traits are inherited independently??
difference between inherited and acquired trait????
a trait may be inherited, but may not be expressed. justify this statement with the help of a suitable example.
how are the areas of study - evolution and classification - interlinked?
Q4. Anita had a huge scar on her cheek after she met with an accident during her school days. She is worried if her baby would inherit the scar she had acquired. Her doctor, a sincere medical pra ctitioner explained andsuccessfully convinced Anita.(a) What are acquired traits?(b) How is it different from inherited traits?(c) Mention the values the doctor exhibits.
How do mendel's experiment show that traits may be dominant or recessive ?
What experiment would we do to confirm that F2 generation in a cross between tall and short pea plant in fact has a 1:2:1 ratio of TT, Tt and tt trait combination?
what are acquired traits? acquired traits are not capable of directing evolution justify bu 3 reasons.
why did mendel choose pea plant for his experiment?
why is the progeny always tall when a tall pea plant is crossed with a short pea plant?
difference between homologous and analogous organ?????
Evolution cannot be equated with progress . Explain
why do the progeny of a tall plant with round seed and a short plant with wrinkled seed look like ? why?
how fossils are formed? how we can determine the age of fossil ?
How is the sex of the child determined in human beings?
what do u mean by axial/terminal flower???
What are Mendel's three laws of inheritance?
describe any three ways in which individuals with a particular trait may increase in population?
What are homologous and analogous organs in plant and animals? Please explain in breif with their pictures.
Variation is useful for the survival of species overtime but the variants have unequal change of survival.Explain this statement.
A man with blood group A marries a woman with blood group O and their daughter has blood group O.Is this information enough to tell you which of the traits --blood group A or O is dominant ?Why or Why not ?
what do u mean by contrasting trait??
What are the advantages and Disadvantages of Variation??
What is natural selection and genetic drift?
How are evolution and classification related?
why are some pea plants tall and others short in nature?explain with references to the role of genes in controlling characteristics.
what is speciation????????????
1) Law of Segregation
2) Law of Dominance
3) Law of Independent Assortment
A basket of vegetables contain carrot, potato, radish and tomato. Which of them represent the correct homologous structures?
a) Carrot and potato
b) Carrot and tomato
c) Radish and carrot
d) Radish and potato
an organic compound 'X' on heating with conc. H2SO4 fors a compound 'Y' which on addition of nickel forms a compound 'Z'.One molecule of compound One molecule of compound 'Z'on combustion forms two molecules of CO2 and three molecules of H2O.identify giving reasons the compound X ,Y, and Z. write a chemical for all the reactions involved.
what is genetic drift and natural selection
State the typr of plant not found in F1 generation but appeared in F2 generation, mentioning the reason for the same?
in a tobacco plant the male gamete has 24 chromosomes. State the number of chromosomes in 1)egg nucleus 2)zygote 3)endosperm 4)leaf cell. PLEASE GIVE ME EXPLAINATION ALSO!!!!!!!!!!!
why did mendel carry out experiment with two traits?
what is the importance of DNA copying in reproduction?why is variations beneficial to the species but not necessary to an individual? explain
WHAT IS ANALOGOUS ORGAN IN PLANTS ?EXPLAIN WITH EXAMPLE.
plz solve these : RrYy x RrYy
b) rryy x rryy
c) RRYY x rryy
what are homologous organs and anologous organs.? give example? how are they provides evidence in support of evolution??
Only variations that confer an advantage to an individual organism will survive in a population. Do you agree with this statement? Why and why not
what is gene? how genes control traits
what are the significance of reproduction?
give examples of acquired traits and inherited traits and mention the differences between them...
you have a basket of vegetable which contains carrot, potato, tomatto, ginger, radish, sweet potato. select two vegetable that represent currect homologous structure
a) potao and sweet potato
b)carrot and radish
c) potato and carrot
d) sweet potao and tomatto
What are the differences between heritable and non-heritable variations?
(a) where are genes located?
(b) what is gene?
(c) what is the nature of genes?
Sweet potato and potato are homologous organs or analogous organs.
Define artificial selection. Explain it with help of example.
kindly explain 1)Genetic Drift, 2)Gene Flow, 3)Natural Selection......How is Blood Group determined in humans????
why are traits acquired during the lifetime of an individual not inherited..
3.1. In grasshoppers, the body color of brown is dominant over green. Also, having strong legs is dominant over having weak legs. A heterozygous brown, homozygous strong-legged male meets a heterozygous brown, homozygous weak legged female.
They produce a number of offspring. Complete the following.
a. Possible genotypes for Brown body color: ________ Green body color: _______
b. Possible genotypes for Strong legs: _________ Weak legs: _________
c. Male genotype: _____________ Male possible gametes: _______________
d. Female genotype: ___________ Female possible gametes: ______________
F1 generation and F2 Generation.
which of these belong to the homologous category...from a basket of fruits and vegetable....(potato , raddish , carrot , and tomato.)
a> potato and carrot
b. carrot and raddish
c. potato and raddish
d.tomato and potato
who proved lamarck's theory wrong?
A study found that children with light-coloured eyes are likely to have parents with light-coloured eyes. On this basis, can we say anything about whether the light eye colour trait is dominant or recessive? Why or why not?
I know this is NCERT ques n its available on meritnation bt i dnt find full n gud ans der so pls help me out n ans of di ques plsss.............
Is there any difference between heredity and inheritance?
What is the evolutionary significance of the fossil archaeopteryx?
A Mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers, but almost half of them were short. This suggests that the genetic make-up of the tall parent can be depicted as
Why cannot it be (D) TtWw ? Why is it WW?
What are vestigial organs and give some examples?? Also what are alleles??
give examples of homologous organs in plants..??
Can the wings of birds and bat be considered homologous organs? Why ? why not.
What is rudimentary eye?
list three factors responsible for speciation.Describe each one of them?
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