Genetics Review notes exit ticket

Front

What does each box in a Punnett square represent?

Back

A possible genotype of the offspring.

Front

What is the relationship between I 2 and III 6 in a pedigree chart?

Back

Grandmom & grandson.

Front

What is the probability of obtaining a tall plant from a cross of two heterozygous tall plants (Tt x Tt)?

Back

75%.

Tags

NGSS.HS-LS4-3

Front

In the context of human ABO blood type, what does the genotype 'ii' indicate?

Back

Type O.

Tags

NGSS.HS-LS3-2

Front

What does a normal female karyotype look like?

Back

It has 46 chromosomes, including two X chromosomes.

Front

What is a genotype?

Back

The genetic makeup of an organism, represented by alleles.

Tags

NGSS.HS-LS1-1

Front

What is a phenotype?

Back

The observable characteristics or traits of an organism.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even if only one copy is present; recessive alleles require two copies to express their trait.

Front

What is a homozygous genotype?

Back

A genotype with two identical alleles for a trait (e.g., TT or tt).

Front

What is a heterozygous genotype?

Back

A genotype with two different alleles for a trait (e.g., Tt).