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Reyana09
@reyana09
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Joined: Nov 16, 2021
Last seen: Dec 29, 2021
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Answer to: In a dihybrid cross, if you get 9 : 3 : 3 : 1 ratio it denotes that

Correct answer: (d) the alleles of two genes are segregating independently.

4 years ago
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Answer to: Mention any two autosomal genetic disorders with their symptoms.

Cystic fibrosis is an autosomal recessive disorder of infants, children, and young adults that is due to a recessive autosomal allele present on chrom...

4 years ago
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Answer to: Who had proposed the chromosomal theory of inheritance?

Sutton and Boveri proposed the chromosomal theory of inheritance. The theory believes that chromosomes are vehicles of hereditary information that pos...

4 years ago
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Answer to: What is point mutation? Give one example.

Point mutation is a gene mutation that arises due to a change in a single base pair of DNA. Example: Sickle-cell anaemia. Substitution of a sing...

4 years ago
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Answer to: Explain the following terms with an example: (i) Codominance (ii) Incomplete dominance

Codominance (1 : 2 : 1) - It is the phenomenon of two alleles (different forms of a Mendelian factor present on the same gene locus on homologous chro...

4 years ago
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Answer to: A child has blood group O. If the father has blood group A and mother blood group B, work out the genotypes of the parents and the possible genotypes of the other offsprings.

If the father has blood group A i.e., IAIA (homozygous) and mother has blood group B i.e., IBIB (homozygous) then all the offsprings will have blood g...

4 years ago
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