Meiosis and Genetics Review

Front

What is the top left arrow pointing to? Options:

Homozygous dominant

,

Heterozygous

,

Homozygous recessive

,

heterozygous dominant

Back

Homozygous dominant

Front

According to the Punnett square in basic mendelian genetics: B represents the dominant gene for blue feathers and b represents the recessive gene for red feathers. Two heterozygous birds have one offspring. What percent chance does it have for red feathers?

Back

25%

Front

Organisms that have two identical alleles for a particular trait are said to be

Back

homozygous.

Front

What term is used to describe an oyster that has two identical dominant alleles (RR) for the disease resistance gene?

Back

homozygous dominant

Front

Unlike mitosis, meiosis results in the formation of

Back

four genetically different cells.

Front

In alleles, capital letters show:

Back

Dominant traits.

Front

Which statement is true about dominant and recessive genes?

Back

Dominant genes mask recessive genes.

Front

Homozygous

Back

Same alleles. Ex: tt

Front

Heterozygous

Back

Different alleles. Ex: Tt

Front

What is true about genotypes?

Back

Genotypes are the allele combinations.