damienlopezram
18.02.2020 •
Biology
What would be the probability of obtaining 6 offspring, 4 of which were dominant and 2 recessive if it was a test cross (Aa x aa) instead of a cross between two heterozygotes? Give your answer to 4 decimal places.
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Ответ:
0.0156
Explanation:
If the test cross is between one heterozygous (Aa) and one homologous recessive gene (aa). The possible genotype for their offspring will be
Aa aa Aa aa
The probability of dominant gene (Aa) is 2/4
The probability of recessive gene (aa) is 2/4
The probability that in six offspring 4 is dominant and two recessive is
= 2/4*2/4*2/4*2/4*2/4*2/4
=64/4096
=0.015625
=0.0156 to 4 decimal places
Ответ:
The correct answer is D. Having a round face.
An inherited trait is simply something that you inherit, or receive, from your parents when you are born.
Knowing how to add, building muscle tone, and becoming a piano player can all be learned. These are not abilities that are inherited at birth.
I hope this helps you! Have a fantastic day!