Answer:
1/4.
Explanation:
The autosomal dominant trait means that the trait is visible in homozygous dominant and in heterozygous condition. The X linked recessive trait will be pass down from mothers to their sons and daughters will show the trait in homozygous recessive condition only.
The man is achandroplastic dwarf ( Aa) with normal vision (XY ) is married with woman that has normal height (aa) with color blind (XhXh). They have a daughter who is dwarf ( Aa). The probability of being dwarf can be calculated by the cross Aa × aa. The offspring are Aa, Aa, aa, aa. Means 1/2 are the probability of being hetterozygous for achondroplastic . The vision probability is calculated by cross XY and XhXHh. The probability that female is heterozygous is 1/2.
So, the heterozygous probability for both trait is 1/2× 1/2 = 1/4.
Answer:
C
Explanation:
Many kinds of air pollution can't be seen, which means A is incorrect. Any kind of pollution can be harmful to you, which means B is incorrect too. Air pollution is very harmful but in most cases can't be directly seen, so C is correct. Pollution can be found everywhere, so D is incorrect also.
4 because the distance is 40 and it hit the ground in 5 seconds
True
S phase -
synthesis phase, during this phase , a cell copies it's DNA
"Tundra and desert" are the two biomes among the choices given in the question that <span>have the least precipitation. The correct option among all the options that are given in the question is the third option.
"Exposure to solar flares" is the one among the following choices given in the question that would not </span><span>be a factor that helps determine the characteristics of a land biome. The correct option among all the options given in the question is the first option.</span>
