Mendelian Genetics Practice

If green is dominant over purple, then what is the genotype for this individual?

• Purple

• Green

• GG

• gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Another word for homozygous is...

• purebred

• hybrid

• heterozygous

• dominant

A __________ is a segment of DNA that codes for a particular protein, which leads to a particular trait.

• Gene

• Allele

• Codon

• Nucleotide

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which of the following is an example of a heterozygous genotype?

• RR

• Rr

• rr

Leonardo bet his friend Olivet that two heterozygous green-eyed sea monsters could not have a recessive blue-eyed baby sea monster. Olivet said they can have a blue-eyed sea monster.
Who wins the bet?

• Leonardo

• Olivet

• Both

• Neither

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following genotypes is heterozygous?

• Bb

• BB

• bb

• B

A student did an experiment to determine the genetic ratios between tall pea plants (Dd) and a dwarf pea plant (dd). What phenotypic ratio is expected from the cross between the plants?

• 2 tall pea plants, 2 dwarf pea plants

• 3 dwarf pea plants, 1 tall pea plant

• 3 tall pea plants, 1 dwarf pea plant

• 4 tall pea plants, 0 dwarf pea plants

Tags

NGSS.HS-LS3-1

What is ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? T = tall t = short

• 0 in 4

• 1 in 4

• 2 in 4

• 4 in 4

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant

• Pigeons

• Pear trees

• Photosynthesis

What do we call the table used to calculate the probability of an offspring's genotype?

• Punnett square

• Venn diagram

• Golden ratio

• Fibonacci sequence

Tags

NGSS.HS-LS3-3