7. According to the fossil record, which group of organisms has existed for the greatest length of time? (1) gastropods (3) mamm
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Answer:
Hope it helps DEAR
Explanation:
Each box in the Punnet square should have BbEe in them. Yes, all of them contain this possible offspring genotype.
Explanation:
A mouse with black fur and one with white fur are being bred. Black fur is BBEE and white fur is bbee. Hence, when listing them on the Punnet square, the genotypes will be heterozygous, since there are possible traits of each fur color
