Genetic Variability

Front

How many pairs of chromosomes does each person have?

Back

23 pairs of chromosomes.

Front

What is the chance that a couple with 4 girls will have a boy next?

Back

50% chance.

Front

If each body cell in a hyena contains 40 chromosomes, how many chromosomes are in each of its gametes?

Back

20 chromosomes.

Front

Is brown or blue a dominant trait in the given scenario?

Back

Brown is dominant.

Front

What does genetic variation refer to?

Back

The presence of genetic differences between individuals.

Front

What are chromosomes?

Back

Structures within cells that contain DNA and genetic information.

Front

What is the difference between genotype and phenotype?

Back

Genotype is the genetic makeup, while phenotype is the observable traits.

Front

What is a gamete?

Back

A reproductive cell (sperm or egg) that contains half the number of chromosomes.

Front

Define allele.

Back

Different forms of a gene that can exist at a specific locus.

Front

What is the role of DNA in genetics?

Back

DNA carries the genetic instructions for the development and function of living organisms.