Genetics

Genetic mutation causing a person or animal to have more than five fingers or toes.

• Genotypes

• Polydactyly

• Allele

• Genetics

What does the nucleus of the cell contain?

• punnett square

• DNA

• homozygous

• recessive

What does DNA stand for?

• DeoxyriboNucleic Acid

• Deoxygen Neutral Acids

• Disconnected Neutron Acid

• Did Not Attend

Allele

• a unit of hereditary information made up of DNA

• A distinguishing quality or characteristic

• The observable traits expressed by an organism

• a variant form of a gene

Which of the following is a heterozygous gene pair?

• SS

• rr

• Tt

• BB

Most species have fewer than _________chromosomes but thousands and thousands of genes

• 46

• 18

• 100

• 500

a unit of hereditary information made up of DNA

• allele

• trait

• chromosome

• Gene

The reproductive cell that a mother donates to her child is called the ____

• egg

• sperm

• allele

• chromosome

Which of the following is a recessive homozygous gene pair?

• aa

• BB

• TT

• Zz

Trait

• The study of heredity and the variation of inherited characteristics.

• a variant form of a gene

• A distinguishing quality or characteristic

• the set of genes in DNA responsible for a particular trait