Question

13.
Choose the best answer.

If RR is the genotype for the phenotype of right handedness, what would be the phenotype of rr?

both left & right

none of these

right handedness

left handedness
14.
Choose the best answer.

Gene Q stops and starts the expression of genes; Gene Q is a(n) ____________.

regulation of gene expression

intermediate expression

modification of gene expression

genetic engineering
15.
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Sex cells are also called _______.

gametes

daughter cells

nucleotides

alleles
16.
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The internal hereditary code that one cell inherits from another is its ______.

monohybrid

phenotype

homozygous

genotype
17.
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A person has the genotype of RR and her phenotype is that she is right-handed. What would be the phenotype of an individual with the genotype of Rr?

right handed

none of these

left handed

both (right & left)
18.
Choose the best answer.

A man's genotype shows he might develop a certain disease. For 20 years, he has no sign of the disease. When he is 40, he moves and develops symptoms. The reason the disease's symptoms appeared after the move are due to _______.

polyploidy

polygenic

intermediate expression

incomplete penetrance
19.
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The nucleus' DNA has the ______ or blueprints for amino acids.

recombinant DNA

translation

pedigree map

codon
20.
Choose the best answer.

The physical manifestation of a genotype, like blue eyes for bb, is an organism's _______.

dominant allele

genotype

phenotype

codon
21.
Choose the best answer.

A gene is _________ if the alleles for a trait are different (Mm).

heterozygous

phenotype

homozygous

monohybrid

Answer 1

13. left handedness

14. regulation of gene expression

15. gametes

16. genotype

17. right handed

18. incomplete penetrance

19. codon

20. phenotype

21. heterozygous