Genetics

Who is known as the "Father of Genetics" for the work he did with pea plants?

• Charles Darwin

• Gregor Mendel

• Albert Einstein

• Benjamin Franklin

What is an allele?

• a chemical found in DNA

• a certain form of a gene that can be recessive or dominant

• a physical trait

• a pair of chromosomes

A dominant allele.....

• is expressed half of the time

• is never expressed

• is expressed in homozygous dominant and heterozygous individuals

• is only expressed in homozygous individuals

If two white mice are bred together (white fur is a recessive trait), what must be true of their offspring?

• they will all be white

• they could be either white or black

• they will all be black

• they are likely to be half white and half black

What term denotes the physical expression of a gene?

• genotype

• phenotype

• appearance

• homologous

Which of the following would produce a recessive phenotype?

• hh

• Rr

• Ww

• BB

Which of the these is homozygous?

• gg

• Yy

• Nn

• Ee

What organism did Mendel study?

• pea plants

• onions

• mice

• cats

Dominant alleles are represented by a:

• Male gene
• lowercase letter
• recessive trait
• capital letter

Heredity is the passing of traits from _____________________ to _____________________

• predators to prey
• water to rain
• parents to offspring
• fungi to protists