Genetics

The genotype of an organism describes the

• codons that make up the genes
• number of gene's on the chromosmes
• genetic make-up of a trait
• type of chromosomes in the nucleus

Which best explains why children resemble their parents?

• they eat same foods
• they have similar DNA
• they speak the same language
• they have the same interests

Which deals with the transmission of inherited traits from one generation to another?

• anatomy
• ecology
• genetics
• forensics

Aa, DD, Bb, yy are all examples of _______

• genotypes

• phenotypes

If something is heterozygous, it is also _____

• purebred

• hybrid

• dominant

• recessive

If something is homozygous, it can also be called____

• phenotype

• genotype

• hybrid

• purebred

Which statement is true?

• Your DNA is identical to your siblings.

• Your DNA is identical to your father's.

• Your DNA is identical to your mother's.

• Your DNA is unique to you.

You inherit half of your DNA from your mother and half from _______?

• Your father

• Your pet hamster

• Your grandmother

• Your sister

the passing of genetic traits from parent to offspring.

• heredity
• trait
• gene
• allele

A person who breeds animals keeps careful records of the fur color of parents and offspring from each generation. The fur color is a trait transferred from generation to generation.

What are the structures that carry the information for these traits called?

• organelles

• genes

• muscles

• cytoplasm