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Recent questions tagged principles of inheritance

Two plants (snapdragon) with red flowers and white flowers are crossed and the following results are shown:

asked Apr 24, 2019 by priyanka.clay6

1 answer

Describe the nature of inheritance of the ABO blood group in humans. In which ways does this inheritance differ from that of height of the plant in garden pea?

asked Apr 24, 2019 by priyanka.clay6

1 answer

A dihybrid heterozygous round, yellow seeded garden pea was crossed with a double recessive plant. <br> i. What type of cross is this ? <br> ii. Work out the genotype and phenotype of the progeny. <br> iii. What principle of Mendel is illustrated by it ?

asked Apr 24, 2019 by priyanka.clay6

1 answer

What will be the genotype and phenotype of the offspring if a colour blind man marries a carrier woman?

asked Apr 24, 2019 by priyanka.clay6

1 answer

Give the characteristic features of Turner’s Syndrome.

asked Apr 24, 2019 by priyanka.clay6

1 answer

Tabulate the different types of *** determination in organisms.

asked Apr 24, 2019 by priyanka.clay6

1 answer

How does the Mendelian disorder phenylketonuria occur?

asked Apr 24, 2019 by priyanka.clay6

1 answer

Explain the mechanism of *** determination in honeybees.

asked Apr 24, 2019 by priyanka.clay6

1 answer

Enumerate points to establish parallelism between chromosomes and genes.

asked Apr 24, 2019 by priyanka.clay6

1 answer

A man with AB blood group marries a woman with AB blood group. <br> i. Work out all possible genotypes and phenotypes of the progeny. <br> ii. Discuss the kind of domination in the Parents and progeny.

asked Apr 24, 2019 by priyanka.clay6

1 answer

Which phenomenon is associated with this ?

asked Apr 24, 2019 by priyanka.clay6

1 answer

In a hybrid cross the following recombination frequencies are observed, i.e. 10%, 22% and 6% of recombinants. <br> <br> i. How is this recombinant percentage related to the loci of the gene responsible for recombinants.

asked Apr 24, 2019 by priyanka.clay6

1 answer

A man with blood group A married a woman with B group, they have a son with AB blood group and a daughter with blood group O, work out the possibility of inheritance with the help of a Punnet square.

asked Apr 23, 2019 by priyanka.clay6

1 answer

With the help of an example differentiate between incomplete dominance and co- dominance.

asked Apr 23, 2019 by priyanka.clay6

1 answer

Explain law of dominance with an example.

asked Apr 23, 2019 by priyanka.clay6

1 answer

Define and explain test cross.

asked Apr 23, 2019 by priyanka.clay6

1 answer

The male fruit fly and female fowl are heterogametic, while the female fruit fly and the Male fowl are homogametic. Why are they termed so?

asked Apr 23, 2019 by priyanka.clay6

1 answer

What is pedigree analysis, how is it useful?

asked Apr 23, 2019 by priyanka.clay6

1 answer

A homozygous green seeded plant is crossed with yellow seeded plant. The progeny obtained was half yellow seeded and half green seeded . <BR>i) Write the genotype of yellow seeded progeny. <BR>ii)Write the technical name of the cross.

asked Apr 23, 2019 by priyanka.clay6

1 answer

The following table shows the genotypes for ABO blood grouping and their phenotypes

asked Apr 23, 2019 by priyanka.clay6

1 answer

What is trisomy ? Give one example.

asked Apr 23, 2019 by priyanka.clay6

1 answer

Justify the situation that in human beings *** of the child is determined by father and not by mother ?

asked Apr 23, 2019 by priyanka.clay6

1 answer

The genes for hemophilia are located on *** chromosome of humans. It is normally impossible for a hemophilic father to pass the gene to his son. Why?

asked Apr 23, 2019 by priyanka.clay6

1 answer

A mother with blood group ${=}^{B'}$ has a fetus with blood group $-A'$ father is ${=}^{A'}$. Explain the situations?

asked Apr 23, 2019 by priyanka.clay6

1 answer

State which law of Mendelian inheritance is expressed in the following diagram?

asked Apr 23, 2019 by priyanka.clay6

1 answer

What is a point mutation? Give an example

asked Apr 23, 2019 by priyanka.clay6

1 answer

Briefly mention the contributions of T.H.Morgan in genetics.

asked Apr 23, 2019 by priyanka.clay6

1 answer

Write the scientific name of the organism which T.H. Morgan used in his genetic experiments.

asked Apr 23, 2019 by priyanka.clay6

1 answer

Who had proposed the chromosomal theory of inheritance?

asked Apr 23, 2019 by priyanka.clay6

1 answer

Write the possible genotypes Mendel got when he crossed $F_1$ Tall pea plants with a dwarf pea plant.

asked Apr 23, 2019 by priyanka.clay6

1 answer

State the difference between a gene and an allele.

asked Apr 23, 2019 by priyanka.clay6

1 answer

Which of the following is a dominant & recessive trait in garden pea - Tall stem, constricted pod.

asked Apr 23, 2019 by priyanka.clay6

1 answer

If a human zygote has XXY * chromosomes along with 22 pairs of autosomes. What * will the individual be? Name the syndrome

asked Apr 23, 2019 by priyanka.clay6

1 answer

In a monohybrid cross the genotypic and phenotypic ratio is 1:2:1. What type of Inheritance is it an example of? Give one example

asked Apr 23, 2019 by priyanka.clay6

1 answer

Why did Mendel select pea plant for his experiment?

asked Apr 23, 2019 by priyanka.clay6

1 answer

Mendel‘s work was rediscovered by three scientists independently. Name any two of them.

asked Apr 23, 2019 by priyanka.clay6

1 answer

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