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Recent questions tagged heredity and evolution
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1
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A pea plant with blue colour flower denoted by BB is cross-bred with a pea plant with white flower denoted by WW.
asked
Apr 7, 2019
in
Class 10
by
kratos
class-10
heredity and evolution
cbse
+1
vote
1
answer
Ptanaria, insects, octopus and vertebrates all have eyes. Can we group eyes of these animals together to establish a common evolutionary origin?
asked
Apr 7, 2019
in
Class 10
by
kratos
class-10
heredity and evolution
origin and evolution of life
cbse
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vote
1
answer
When a pure tall plant (TT) having rounded seeds (RR) is crossed with dwarf plant (tt) having wrinkled seeds (rr) and their F1 progeny are crossed
asked
Apr 6, 2019
in
Class 10
by
kratos
heredity
fundamental of genetics
class-10
icse
heredity and evolution
+1
vote
1
answer
Mendel selected garden peas as his experimental material because
asked
Apr 6, 2019
in
Class 10
by
kratos
cbse
class-10
heredity and evolution
+3
votes
1
answer
New species may be formed if (i) DNA undergoes significant changes in germ cells (ii) chromosome number changes in the gamete
asked
Apr 6, 2019
in
Class 12
by
kratos
cbse
post-fertilization
human reproduction
reproduction in organisms
class-10
class-12
heredity and evolution
fertilization
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vote
1
answer
What are homologous organs ? Give one example. Can the wings of a butterfly and the wings of bat be regarded as homologous ?
asked
Apr 6, 2019
in
Class 11
by
kratos
origin of life
cbse
class-11
class-10
organic evolution
heredity and evolution
+3
votes
1
answer
(a) What do you understand by the term ‘variation’ ? (b) Name two human traits which show variation.
asked
Apr 5, 2019
in
Class 10
by
kratos
class-9
class-10
heredity and evolution
cbse
+1
vote
1
answer
How does speciation take place?
asked
Apr 5, 2019
in
Class 10
by
kratos
class-10
heredity and evolution
cbse
+1
vote
1
answer
Reproductive process gives rise to new individuals that are similar but with some variations.
asked
Apr 4, 2019
in
Class 10
by
kratos
class-9
class-10
heredity and evolution
cbse
+2
votes
1
answer
Explain the mechanism of *** determination in humans. With the help of a flow chart explain in brief how the *** of a newborn is
asked
Apr 4, 2019
in
Class 12
by
kratos
class-12
class-10
heredity and evolution
+3
votes
1
answer
Mendel crossed tall pea plants with dwarf pea plants in his experiment. Write his observations giving reason on the F1 and F2 generations.
asked
Apr 2, 2019
in
Class 12
by
kratos
cbse
class-9
class-10
class-12
heredity and evolution
+1
vote
1
answer
The study of fossils is called as-
asked
Apr 2, 2019
in
Class 12
by
kratos
zoology
origin of life
evolution
class-11
class-10
bseb model set
organic evolution
class-12
heredity and evolution
+1
vote
1
answer
Which one of the following character is not inheritable ?
asked
Apr 2, 2019
in
Class 12
by
kratos
neet
aiims
heredity and evolution
class-10
icse
fundamental of genetics
genetics
+3
votes
1
answer
The genotype for the height of an organism is Tt. What conclusion may be drawn from this?
asked
Apr 2, 2019
in
Class 10
by
kratos
class-10
heredity and evolution
cbse
+3
votes
1
answer
Can the wing of butterfly and the wing of a bat be considered homologous organs? Why or why not?..
asked
Apr 2, 2019
in
Class 10
by
kratos
class-9
class-10
heredity and evolution
cbse
+3
votes
1
answer
In cattles, when red one is crossed with white, an intermediate roan ******** offspring is formed in F1 generation.
asked
Apr 1, 2019
in
Class 12
by
kratos
cbse
kvpy
class-10
class-12
heredity and evolution
neet 2019
+3
votes
1
answer
Explain Mendel'* experiment with peas on inheritance of characters considering only one visible contrasting character.
asked
Apr 1, 2019
in
Class 10
by
kratos
class-9
class-10
heredity and evolution
cbse
+2
votes
1
answer
Define dominant and recessive traits.
asked
Apr 1, 2019
in
Class 10
by
kratos
class-10
heredity and evolution
cbse
+3
votes
1
answer
Explain in chromosome thory of heredity
asked
Mar 31, 2019
in
Class 12
by
kratos
class-10
class-12
heredity and evolution
+2
votes
1
answer
Why are fossils considered important in the study of evolution? Explain two ways by which age of fossils can be estimated.
asked
Mar 30, 2019
in
Class 10
by
kratos
class-10
heredity and evolution
cbse
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