Genetics - Chapter 4 - BJU Press

Genetics - Chapter 4 - BJU Press

Assessment

Flashcard

Science, Biology

7th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the term for an organism’s physical appearance of visible traits?

Back

Phenotype

2.

FLASHCARD QUESTION

Front

What is it called when two or more genes interact to produce a single trait?

Back

Polygenic inheritance

3.

FLASHCARD QUESTION

Front

If straight hair (SS) is dominant, curly hair (CC) is recessive, and wavy hair (SC) is heterozygous, what percentage of children from two wavy-haired parents (SC) will have wavy hair?

Back

50%.

4.

FLASHCARD QUESTION

Front

What is the genotype for a heterozygous trait represented by Rr?

Back

Rr

5.

FLASHCARD QUESTION

Front

Which genotype represents a homozygous trait?

Back

AA

6.

FLASHCARD QUESTION

Front

Define genotype.

Back

The genetic constitution of an individual, represented by alleles.

7.

FLASHCARD QUESTION

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed in the phenotype even if only one allele is present, while recessive traits are expressed only when two recessive alleles are present.

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