Question # 1

It is a homozygous genotype:

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AA

aa

Aa

both A and B

How many genotypes are possible for the allele ''A'' and ''a'' ?

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two

three

four

seven

It is a situation where in heterozygous genotypes, both the alleles express as a blend and neither allele is dominant over the other:

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Incomplete dominance

Co-dominance

Complete dominance

None of these

Branch of biology in which we study about inheritance.

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Pharmacology

Physiology

Ecology

Genetics

Cytocine always pairs with:

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Guanine

Adenine

Uracil

Thymine

It is change in characteristics of a population or species of organisms over the course of generations:

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Replication

Transcription

Evolution

Translation

In the structure of DNA Adenine of one nucleotide pairs with which of the nitrogenous base opposite nucleotide:

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Guanine

Cytosine

Thymine

Uracil

Expression of genotype in the form of trait is:

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Genome

Phenotype

Complete dominance

Incomplete dominance

Pink flowered four o clock plant is an example of:

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Incomplete dominance

Co-dominance

Complete dominance

None of these

Among following, which is source of variations?

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Mutation

Crossing over

Gene flow

All of these

In a nucleosome, DNA is wrapped around protein named.

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Insulin

Interferon

Histone

Haemoglobin

Genes consist of.

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RNA

mRNA

Protein

DNA

Ribosome reads the sequence of mRNA nucleotides and joins specific amino acids to form protein . This step is known as.

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Combination

Replication

Transcription

Translation

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Biology 10th Class English Medium Chapter 15 Online Test MCQs With Answers

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