7th Grade Mid Term Review

Front

Which organelle is DNA usually found in?

Back

Nucleus

Front

Is the following genotype heterozygous, homozygous recessive, or homozygous dominant? Aa

Back

Heterozygous

Front

According to Mendel's Law of Dominance, what kind of phenotype will this genotype produce? Bb

Back

Dominant

Front

Free earlobes (F) are dominant to attached earlobes (f). State phenotype for ff.

Back

Attached earlobes

Front

Recessive alleles are written with:

Back

Lower case always

Front

What is the definition of a genotype?

Back

The genetic makeup of an organism, represented by letters (e.g., Aa, BB).

Front

What is the definition of a phenotype?

Back

The observable characteristics or traits of an organism, determined by its genotype.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene (e.g., AA or aa).

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene (e.g., Aa).

Front

What is Mendel's Law of Segregation?

Back

During the formation of gametes, the two alleles for a trait segregate from each other.