11.1 Bio

Question 1

What is a Punnett square?

Answer 1

A graphical representation used to predict the genotypes of offspring from parental genotypes.

Question 2

True or False: A Punnett square can only be used for monohybrid crosses.

Answer 2

False

Question 3

what does the letter ‘P’ typically represent?

Answer 3

The parental generation.

Question 4

What are alleles?

Answer 4

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

Question 5

Fill in the blank: The genotype of an organism refers to its __________.

Answer 5

genetic makeup.

Question 6

What is the phenotype of an organism?

Answer 6

The observable physical or biochemical characteristics of an organism.

Question 7

Multiple choice: What is the expected phenotypic ratio of a monohybrid cross between two heterozygous parents (Tt x Tt)? A) 3:1 B) 1:2:1 C) 2:2

Answer 7

A) 3:1

Question 8

True or False: Homozygous individuals have two identical alleles for a specific trait.

Answer 8

True

Question 9

What does the term ‘dominant allele’ mean?

Answer 9

An allele that expresses its phenotype even in the presence of a recessive allele.

Question 10

Fill in the blank: Gregor Mendel is known as the father of __________.

Answer 10

genetics.

Question 11

Short answer: What does it mean for an organism to be heterozygous?

Answer 11

It means the organism has two different alleles for a specific gene.

Question 12

True or False: Recessive alleles are always expressed in the phenotype when present.

Answer 12

False