Laws of Inheritance

Assessment
•
Ema Alatini
•
Biology
•
9th - 12th Grade
•
85 plays
•
Medium
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10 questions
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1.
Multiple Choice
Which are different forms of the same gene?
genotypes
phenotypes
alleles
traits
2.
Multiple Choice
Which describes the law of segregation?
a gamete contains the father's allele
the gametes produced each have 1 allele after meiosis II
a gamete produced has 2 of the same alleles after meiosis II
the gamete fertilized has the dominant trait
3.
Multiple Choice
A plant that has round and yellow seeds (RrYy) is crossed with a plant that has round and yellow seeds (RrYy). What is the ratio of the offspring that will have round and yellow seeds?
Key: R = round
r = wrinkled
Y = yellow
y = green
1:16
3:16
8:16
9:16
4.
Multiple Choice
The diagram represents a dihybrid cross between two pea plants heterozygous for both seed color and seed shape. What is the phenotypic ratio of the offspring?
1:1:1:1:2:2:2:2:4
1:3:3:9
1:4
4:12
5.
Multiple Choice
Pea plants can have yellow seeds or green seeds. Which conclusion about the meaning of Y is correct if the allele combination Yy is for yellow seeds?
yellow and dominant
green and recessie
yellow and recessive
green and dominant
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