Genetics and Inheritance

Front

An inherited trait that helps an organism survive in its environment is called a(n) _____________.

Back

adaptation

Front

How many pairs of chromosomes do human body cells have?

Back

23

Front

If an organism has two different copies of the allele (Bb) it is called _____________.

Back

heterozygous

Front

Pea plants can be either yellow or green. Yellow is the dominant trait and green is the recessive. What would the genotype be of a green pea plant?

Back

yy

Front

Differences in the pattern of spots on a giraffe or differences in the hair color of humans is an example of _____________.

Back

variation

Front

What is the basic unit of heredity that carries genetic information?

Back

gene

Front

What is the term for the observable characteristics of an organism?

Back

phenotype

Front

What do we call the genetic makeup of an organism?

Back

genotype

Front

What is the term for a trait that is masked by a dominant trait?

Back

recessive

Front

What is the process by which traits are passed from parents to offspring?

Back

inheritance