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(L8) Lessons 3&4 Flashcard Review

(L8) Lessons 3&4 Flashcard Review

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a phenotype?

Back

A phenotype is an organism's appearance or other detectable characteristics, such as color or size.

2.

FLASHCARD QUESTION

Front

What does homozygous dominant mean?

Back

Homozygous dominant refers to having two identical dominant alleles for a trait, such as BB for brown fur.

3.

FLASHCARD QUESTION

Front

What is the result of crossing a homozygous dominant brown mouse with a heterozygous brown mouse?

Back

The result is 100% brown offspring.

4.

FLASHCARD QUESTION

Front

What does an open circle represent in a pedigree chart?

Back

An open circle represents a Not Affected Female.

5.

FLASHCARD QUESTION

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup (e.g., BB, Bb, bb), while phenotype refers to the observable traits (e.g., brown fur).

6.

FLASHCARD QUESTION

Front

If green is dominant over purple, what is the genotype for a purple flower?

Back

The genotype for a purple flower is gg.

7.

FLASHCARD QUESTION

Front

What is a recessive allele?

Back

A recessive allele is an allele that is masked by the presence of a dominant allele and only expressed in a homozygous condition.

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