Matching
Classification. Answer the questions using the group of answers below.
Premises:
Animal species X is tetraploid (4 n = 12). Following gene duplication and translocation, a given gene is found on each chromosome. How many alleles for this gene can be present in an individual of this species?
In a dihybrid cross between a parent that is a double heterozygote ( Aa Bb ) and a parent that is a double homozygous recessive ( aa bb ), how many unique phenotypes potentially will be present in their offspring?
Plant species X is diploid (2 n = 24) and has a quantitative trait, the expression of which is controlled by gene loci on each of its chromosomes. What is the maximum number of alleles for this trait that any one individual of species X could have?
In a dihybrid cross between a parent that is a double heterozygote ( Aa Bb ) and a parent that is homozygous dominant for one gene and heterozygous for the other ( AA Bb ), how many unique genotypes potentially will be present in their offspring?
In a dihybrid cross between a parent that is a double heterozygote ( Aa Bb ) and a parent that is homozygous recessive for one gene and heterozygous for the other ( aa Bb ), how many unique phenotypes potentially will be present in their offspring?
Responses:
6
4.
12
24
4
8
Correct Answer:
Premises:
Responses:
6
4.
12
24
4
8
Premises:
6
4.
12
24
4
8
Responses:
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