Free Printable Genetics

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Genetics

Total questions: 11

Worksheet time: 6mins

Name

Class

Date

Trait

the study of heredity

a person's version of a trait

a feature or characteristic of a person

the passing of traits from parents to offspring

heredity

the study of herdity

a part of a person's DNA that influences a trait

different versions of a gene

the passing of traits from parents to offspring

recessive

different versions of a gene

a person's combination of alleles

the study of heredity

represented by a lowercase letter and hides behind the dominant

dominant

a person's version of a trait

different versions of a gene

represented by a capital letter and is the "boss"

represented by a lowercase letter

Humans have ___ chromosomes in their normal body cells. They received __ from their mother and __ from their father

46, 23, 23

92, 46, 46

48, 24, 24

1--, 50, 50

The genes make-up of an organism is referred to as its ___, which are the alleles that are inherited from the parent.

genotype

karotype

heterotype

phenotype

Gregor Mendel studied heredity using ___ plants

rose

maize

tundra

pea

If an allele for a particular trait is not expressed at all when another allele for the trait is present, the allele is

recessive

hybrid

dominant

incomplete dominance

What is the definition of allele?

trait that is there, but might not show

the alternative forms of genes

the observable chracerisitcs of an organism

the non observable characteristics of an organism

10.

Which one shows heterozygous?

11.

genotype

a person's combination of alleles

different versions of a gene

a person's version of a trait

part of a person's DNA that influences a trait

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Genetics

Total questions: 11

Worksheet time: 6mins

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