FREE SCIENCE AND STUDY GAMES ABOUT PUNNETT

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FREE SCIENCE AND STUDY GAMES ABOUT PUNNETT

SQUARE EXAM QUESTIONS

Actual Qs and Ans Expert-Verified Explanation

This Exam contains:

-Guarantee passing score -13 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation

Question 1: Homozygous

Answer:

Genotype with 2 dominant or 2 recessive genes for a trait: like TT or bb

Question 2: Punnett square

Answer:

A genetic tool to solve genetics problems mathematically.

Question 3: heredity

Answer:

The passing of traits from one generation to the next by means of genes.

Question 4: dominant

Answer:

Describes a gene that is always expressed because it masks the other gene; represented by a capital letter.

Question 5: hybrid

Answer:

A genotype with 1 dominant and 1 recessive gene (like Tt or Bb)

Question 6: heterozygous

Answer:

genotype with one dominant and one recessive gene for a trait: like Tt, Bb or Rr.-also known as hybrid

Question 7: purebred

Answer:

A genotype with 2 dominant or 2 recessive genes (like BB or bb or HH or hh) also known as

HOMOZYGOUS

Question 8: phenotype

Answer:

The physical appearance of an organism (based on its genotype).

Question 9: recessive

Answer:

Describes the gene that can be masked by a dominant gene; represented by a lower case letter. The recessive trait only appears when both genes are recessive.

Question 10: genotype

Answer:

The genetic code of an organism - represented by two letters.

Question 11: probability

Answer:

The chance or likelihood of something occurring.

Question 12: trait

Answer:

A distinguishing characteristic based on your genes (such as eye color or hair color).

Question 13: cross

Answer:

Represents the combining of male and female sex cells in Punnett squares. (When parents produce offspring.)