Mendel’s Dihybrid Cross

Hey All AIPMT Biology Aspirants, read about MENDEL’s Dihybrid Cross and Law of Independent Assortment in this study material of AIPMT.

In monohybrid cross, Mendel used plants that differ in only one characteristic. After monohybrid cross, Mendel also performed experiments with plants that differ in two contrasting characters. This cross is

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Ecology

Ecology is the study of how organisms interact with one another and with their physical environment.

  • OR, Ecology is the branch of biology which studies relationships of living organisms with the abiotic (physico-chemical factors) and biotic components (other species) of their environment.
  • Ecology comes from the Greek words ‘oikos’, means

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Difference between Bacteria, Archaea and Eukaryota

AIPMT-NEET Biology Aspirants, read out the next AIPMT-NEET Biology Study material/ Notes about major Differences in Bacteria, Archaea and Eukaryotes, important for AIPMT-NEET Biology. Free online notes for AIPMT-NEET.

Archaebacteria are different from bacteria/Eubacteria (true bacteria), as they can survive in harsh conditions like extreme salty regions, hot springs and marshy areas.

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Mechanism of digestion in Small Intestine

Chyme entering the small intestine contains partially digested carbohydrates (maltose), proteins (proteoses and peptides), and lipids (monoglycerides).

  • Completion of the digestion of carbohydrates, proteins, and lipids is a collective effort of pancreatic juice, bile juice, and intestinal juice in the small intestine.
  • Movements of muscularis layer of the small intestine help in

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Gene Flow and Genetic Drift

Hey All AIPMT Biology Aspirants, learn about Gene Flow and Genetic drift, which are the two major evolutionary processes, out of four.

GENE FLOW:  It’s simply the flow/movement of genes from one population to other.

  • Gene flow occurs when individuals leave one population, join another, and breed.
  • Transfer of alleles into

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Test Cross(if F1 is homozygous)

Test Cross

Test Cross

Cross of F1 dominant offspring with its homozygous recessive parent is called a Test cross.

  • Used to determine genotype of F1 offspring, whether it is homozygous or heterozygous.
  • OR, we can say, Cross of an organism with dominant phenotype (and whose genotype is to be

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Vitamin Requirements of Humans and their Deficiency Symptoms

AIPMT-NEET Biology Aspirants, read out the next AIPMT-NEET Biology Study material/ Notes about Vitamins -their major food sources, major functions in human body and what are the diseases related to deficiency of vitamins, important for AIPMT-NEET Biology. Free online notes for AIPMT-NEET.

B-complex Vitamins and Vitamin C

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Mendelian Inheritance

Monohybrid Cross: Cross between parents that are different only in a single characteristic.

  • Only a single trait is studied in monohybrid cross.
  • The first generation of a cross is the P (parental) generation.
  • The offspring from the parents in the P generation are the F1 (filial 1) generation. (Filial- Son)
  • When F1

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Mechanism of digestion in Stomach

Hello all AIPMT Biology Aspirants, Learn about chyme, Digestion in Stomach.

Food (Bolus) comes to stomach after travelling through esophagus. It takes about 4 to 8 seconds to travel through esophagus.

  • Stomach stores the food for 4-5 hours. So, stomach acts as a reservoir for food before release into small intestine.
  • Food mixes

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Parasympathetic and sympathetic divisions of the Autonomic Nervous System

Autonomic Nervous System

AIPMT-NEET Biology Aspirants, read out the next AIPMT-NEET Biology Study material/ Notes of Autonomic Nervous System, important for AIPMT-NEET Biology. Free online notes for AIPMT-NEET.

  • Human Nervous System comprises of Central Nervous System (CNS) & Peripheral Nervous System (PNS).
    • Central Nervous System includes Brain & Spinal Cord.
    • Peripheral Nervous System includes Somatic Nervous

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