20th Oct Principle of Inheritance and Variation Quiz 1 – Punjab Meritorious School Preparation Portal

Welcome to your 20th Oct Principle of Inheritance and Variation Quiz 1 CBT TEST

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Name

School Name with City

Phone Number

An allele is:

another word for a gene

a homozygous genotype

one of several possible forms of a gene

Gregor Mendel was:

an English scientist who carried out research with Charles Darwin

a little known Central European monk

an early 20th century Dutch biologist who carried out genetics research

When the genotype consists of a dominant and a recessive allele, the phenotype will be like _________________ allele.

the dominant

actual physical appearance

recessive alleles

Mendel believed that the characteristics of pea plants are determined by the:

inheritance of units or factors from both parents

inheritance of units or factors from one parent

relative health of the parent plants at the time of pollination

Assuming that both parent plants in the diagram below are homozygous, why would all of the f1 generation have yellow phenotypes?

because the f1 genotypes are homozygous

because yellow is dominant over green

because both parents passed on yellow alleles

On average, 1 out of 4 offspring of heterozygous parents will be homozygous recessive.

The yellow allele is dominant over the green one.

The f1 generation parents are homozygous yellow.

Which of the following statements is true about Mendel?

His discoveries concerning genetic inheritance were generally accepted by the scientific community when he published them during the mid 19th century.

He believed that genetic traits of parents will usually blend in their children

none of the above

Phenotype refers to the ______________________ of an individual.

genetic makeup

actual physical appearance

recessive alleles

The idea that different pairs of alleles are passed to offspring independently is Mendel's principle of:

unit inheritance

segregation

independent assortment

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