Genetics Part 1

Front

What is the dominant trait in ladybugs with spots?

Back

10 spots (G) is dominant over 8 spots (g).

Front

What is the phenotype of a hybrid ladybug with genotype Gg?

Back

10 spots.

Front

What is the dominant trait in sheep's wool color?

Back

White wool (H) is dominant over black wool (h).

Front

What is the phenotype of a sheep with genotype Hh?

Back

White wool.

Front

What is a harmful mutation?

Back

A mutation that reduces an organism's chances of reproduction.

Front

What trait is being described when discussing the number of spots on ladybugs?

Back

The trait is the number of spots.

Front

What is unique about egg and sperm cells compared to other cells?

Back

They contain half the number of chromosomes as other cells.

Front

What is the term for the genetic makeup of an organism?

Back

Genotype.

Front

What is the observable characteristic of an organism called?

Back

Phenotype.

Front

What does it mean if a trait is recessive?

Back

It is only expressed when two recessive alleles are present.