IQWST LS3 Lessons 4-7

Front

What are dominant alleles?

Back

Dominant alleles are represented by capital letters and always express their trait when present.

Front

How many genes do you get for each trait?

Back

You get 2 genes for each trait, one from each parent.

Front

What is the source of your genes?

Back

One gene comes from your mom and one from your dad.

Front

What percentage of offspring have green pods in a specific genetic cross?

Back

50% of the offspring have green pods.

Front

What is the probability of producing heterozygous offspring?

Back

The probability of producing heterozygous offspring is 50%.

Front

What trait always shows up in an organism when the allele is present?

Back

A dominant allele always shows up in an organism when it is present.

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present.

Front

What does homozygous mean?

Back

Homozygous means having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Heterozygous means having two different alleles for a particular gene.

Front

What is a genotype?

Back

A genotype is the genetic makeup of an organism, represented by the alleles it possesses.