Biology, 13.09.2019 03:30 aamu15

What is the probability that each of the following pairs of parents will produce the indicated offspring? (assume independent assortment of all gene pairs.)
(a) aabbcc × aabbcc-> aabbcc
(b) aabbcc × aabbcc-> aabbcc
(c) aabbcc × aabbcc-> aabbcc
(d) aabbcc × aabbcc-> aabbcc

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Answer from: granthazenp5e9mj

a. The probability for a cross of AABBCC × aabbcc to produce AaBbCc is: 1.

b. The probability for a cross of AABbCc × AaBbCc to produce AAbbCC is: $\frac{1}{32}$

c. The probability for a cross of AaBbCc × AaBbCc to produce AaBbCc is: $\frac{1}{8}$

d. The probability for a cross of aaBbCC × AABbcc to produce AaBbCc is: $\frac{1}{2}$

Recall:

The Principle of Independent Assortment of genes holds that genes will separate from each one another independently during development of reproductive cell.A Punnett Square can be used to show the offspring that will be produced during a cross between two parents.

Thus, the images below shows the various outcome of each cross.

a. Figure A shows the cross between:

AABBCC × aabbcc

The genotype of all offspring produced are only AaBbCc.

Therefore, the probability for a cross of AABBCC × aabbcc to produce AaBbCc is: 1.

b. Figure B shows the cross between:

AABbCc × AaBbCc

From the cross, there are only 2 AAbbCC out of 64 offspring produced.

That is: $\frac{2}{64} = \frac{1}{32}$

Therefore, the probability for a cross of AABbCc × AaBbCc to produce AAbbCC is: $\frac{1}{32}$

c. Figure C shows the cross between:

AaBbCc × AaBbCc

From the cross, there are only 8 AaBbCc out of 64 offspring produced.

That is: $\frac{8}{64} = \frac{1}{8}$

Therefore, the probability for a cross of AaBbCc × AaBbCc to produce AaBbCc is: $\frac{1}{8}$

d. Figure D shows the cross between:

aaBbCC × AABbcc

From the cross, there are only 32 AaBbCc out of 64 offspring produced.

That is: $\frac{32}{64} = \frac{1}{2}$

Therefore, the probability for a cross of aaBbCC × AABbcc to produce AaBbCc is: $\frac{1}{2}$

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What is the probability that each of the following pairs of parents will produce the indicated offsp

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