DNA Structure & Base Pairing

Double helix, nucleotides, and A-T/G-C pairing. Ideal for board exams and competitive test prep.

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QUESTION NO 01

DNA stands for?

Answer: Deoxyribonucleic acid

DNA is deoxyribonucleic acid, the hereditary material.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 02

The shape of DNA is typically a?

Answer: Double helix

Watson–Crick model: two antiparallel strands in a double helix.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 03

Base pairing in DNA is?

Answer: A–T and G–C

Adenine pairs with thymine; guanine with cytosine.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 04

A gene is?

Answer: A DNA segment that codes for a product

Genes are hereditary units usually encoding RNA/protein.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 05

Mendel's law of segregation says alleles?

Answer: Separate during gamete formation

Homologous alleles segregate into different gametes.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 06

A dominant allele is expressed when?

Answer: At least one copy is present

Dominant traits appear in heterozygotes.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 07

Genotype refers to?

Answer: Genetic makeup

Genotype is the allele combination; phenotype is the trait.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 08

Phenotype is?

Answer: Observable traits

Phenotype is the expressed characteristic.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 09

Transcription produces?

Answer: RNA from a DNA template

RNA polymerase synthesizes RNA complementary to DNA.

Shahzad Mahota @shahzad-mahota

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QUESTION NO 10

Translation occurs at?

Answer: Ribosomes

mRNA is decoded into protein at ribosomes.

Shahzad Mahota @shahzad-mahota

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Shahzad Mahota

@shahzad-mahota

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DNA Structure & Base Pairing

DNA stands for?

The shape of DNA is typically a?

Base pairing in DNA is?

A gene is?

Mendel's law of segregation says alleles?

A dominant allele is expressed when?

Genotype refers to?

Phenotype is?

Transcription produces?

Translation occurs at?

Published By

Shahzad Mahota

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00

00

00

00

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DNA Structure & Base Pairing

DNA stands for?

Explanation

The shape of DNA is typically a?

Explanation

Base pairing in DNA is?

Explanation

A gene is?

Explanation

Mendel's law of segregation says alleles?

Explanation

A dominant allele is expressed when?

Explanation

Genotype refers to?

Explanation

Phenotype is?

Explanation

Transcription produces?

Explanation

Translation occurs at?

Explanation

Published By

Shahzad Mahota

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