Mendelian Genetics

Front

What is the term for having two of the same alleles for a trait?

Back

homozygous

Front

What is the term for having two different alleles for a trait?

Back

heterozygous

Front

What is the physical expression of a genetic trait called?

Back

phenotype

Front

What is the genetic makeup of an organism called?

Back

genotype

Front

What is the probability of offspring having short tusks when a heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant?

Back

50%

Front

What is the probability of homozygous dominant offspring when crossing a heterozygous and a homozygous recessive organism?

Back

0%

Front

What is the term for a change in the DNA sequence?

Back

mutation

Front

What is the process called when homologous chromosomes exchange genetic material?

Back

crossing over

Front

What is the term for the different forms of a gene?

Back

alleles

Front

If an organism has the genotype Aa, what are the possible gametes it can produce?

Back

A and a